Aldehydes, Ketones and Carboxylic Acids · Chemistry · JEE Main

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MCQ (Single Correct Answer)

JEE Main 2024 (Online) 9th April Evening Shift
In the above reaction product 'P' is...
JEE Main 2024 (Online) 9th April Evening Shift
Which of the following compounds will give silver mirror with ammoniacal silver nitrate? A. Formic acid B. Formaldehyde C. Benzaldehyde D. Acetone Cho...
JEE Main 2024 (Online) 9th April Morning Shift
Identify major product "X" formed in the following reaction : ...
JEE Main 2024 (Online) 9th April Morning Shift
What is the structure of C?...
JEE Main 2024 (Online) 1st February Evening Shift
Which among the followng has highest boiling point?
JEE Main 2024 (Online) 1st February Morning Shift
Identify $A$ and $B$ in the following sequence of reaction ...
JEE Main 2024 (Online) 1st February Morning Shift
Match List - I with List - II. table { border-collapse: collapse; width: 100%; } th, td { border: 1px solid black; padding: 8px...
JEE Main 2024 (Online) 31st January Evening Shift
Identify major product 'P' formed in the following reaction. ...
JEE Main 2024 (Online) 31st January Evening Shift
Identify the name reaction. ...
JEE Main 2024 (Online) 30th January Evening Shift
Salicylaldehyde is synthesized from phenol, when reacted with
JEE Main 2024 (Online) 30th January Evening Shift
m-chlorobenzaldehyde on treatment with 50% KOH solution yields :
JEE Main 2024 (Online) 30th January Morning Shift
This reduction reaction is known as:...
JEE Main 2024 (Online) 30th January Morning Shift
Structure of 4-Methylpent-2-enal is :
JEE Main 2024 (Online) 29th January Evening Shift
Identify the reagents used for the following conversion ...
JEE Main 2024 (Online) 27th January Evening Shift
The molecular formula of second homologue in the homologous series of mono carboxylic acids is
JEE Main 2024 (Online) 27th January Morning Shift
Highest enol content will be shown by:
JEE Main 2023 (Online) 15th April Morning Shift
In the above conversion the correct sequence of reagents to be added is...
JEE Main 2023 (Online) 13th April Morning Shift
In the reaction given below 'A' is...
JEE Main 2023 (Online) 12th April Morning Shift
The two products formed in above reaction are -...
JEE Main 2023 (Online) 12th April Morning Shift
'A' in the above reaction is:...
JEE Main 2023 (Online) 12th April Morning Shift
In the following reaction 'A' is...
JEE Main 2023 (Online) 12th April Morning Shift
The major product 'P' formed in the following sequence of reactions is ...
JEE Main 2023 (Online) 11th April Evening Shift
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : A solution of the product obtained...
JEE Main 2023 (Online) 11th April Morning Shift
'A' and 'B' in the above reactions are:...
JEE Main 2023 (Online) 10th April Morning Shift
The major product 'P' formed in the given reaction is ...
JEE Main 2023 (Online) 8th April Morning Shift
The major product formed in the following reaction is: ...
JEE Main 2023 (Online) 8th April Morning Shift
Match List I with List II: .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-famil...
JEE Main 2023 (Online) 1st February Evening Shift
In a reaction, reagents 'X' and 'Y' respectively are :...
JEE Main 2023 (Online) 1st February Evening Shift
The structures of major products A, B and C in the following reaction are sequence. ...
JEE Main 2023 (Online) 31st January Evening Shift
Cyclohexylamine when treated with nitrous acid yields $(\mathrm{P})$. On treating $(\mathrm{P})$ with $\mathrm{PCC}$ results in (Q). When $(\mathrm{Q}...
JEE Main 2023 (Online) 31st January Morning Shift
Consider the following reaction The correct statement for product B is. It is...
JEE Main 2023 (Online) 30th January Evening Shift
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: can be easily reduced using $\math...
JEE Main 2023 (Online) 30th January Morning Shift
What is the correct order of acidity of the protons marked $$\mathrm{A}-\mathrm{D}$$ in the given compounds ? ...
JEE Main 2023 (Online) 30th January Morning Shift
Which of the following compounds would give the following set of qualitative analysis ? (i) Fehling's Test : Positive (ii) Na fusion extract upon trea...
JEE Main 2023 (Online) 29th January Evening Shift
Find out the major products from the following reaction sequence. ...
JEE Main 2023 (Online) 25th January Evening Shift
'A' in the given reaction is ...
JEE Main 2023 (Online) 25th January Morning Shift
Identify the product formed (A and E) ...
JEE Main 2023 (Online) 24th January Morning Shift
'R' formed in the following sequence of reactions is : ...
JEE Main 2023 (Online) 24th January Morning Shift
Compound (X) undergoes following sequence of reactions to give the Lactone (Y). ...
JEE Main 2022 (Online) 29th July Evening Shift
Correct structure of $$\gamma$$-methylcyclohexane carbaldehyde is
JEE Main 2022 (Online) 29th July Morning Shift
Consider the above reaction sequence, the Product 'C' is :...
JEE Main 2022 (Online) 28th July Evening Shift
Find out the major product for the above reaction....
JEE Main 2022 (Online) 27th July Evening Shift
The structure of A in the given reaction is : ...
JEE Main 2022 (Online) 27th July Evening Shift
Match List - I with List - II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-f...
JEE Main 2022 (Online) 26th July Evening Shift
Consider the above reaction and predict the major product....
JEE Main 2022 (Online) 26th July Morning Shift
The products formed in the following reaction, A and B are ...
JEE Main 2022 (Online) 25th July Evening Shift
What is the major product of the following reaction? ...
JEE Main 2022 (Online) 25th July Evening Shift
$$C{H_3} - C{H_2} - CN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{Ether}^{C{H_3}MgBr}} A\buildrel {{H_3}{O^ + }} \over \longrightarrow B\mathr...
JEE Main 2022 (Online) 25th July Morning Shift
Which one of the following reactions does not represent correct combination of substrate and product under the given conditions?
JEE Main 2022 (Online) 30th June Morning Shift
Consider the given chemical reaction Identify the product P....
JEE Main 2022 (Online) 30th June Morning Shift
Choose the reaction which is not possible:
JEE Main 2022 (Online) 30th June Morning Shift
Which among the following will be the major product of the given reaction? ...
JEE Main 2022 (Online) 29th June Morning Shift
Given below are two statements : Statement I : The esterification of carboxylic acid with an alcohol is a nucleophilic acyl substitution. Statement II...
JEE Main 2022 (Online) 28th June Evening Shift
Isobutyraldehyde on reaction with formaldehyde and K2CO3 gives compound 'A'. Compound 'A' reacts with KCN and yields compound 'B', which on hydrolysis...
JEE Main 2022 (Online) 28th June Morning Shift
The correct structure of product 'A' formed in the following reaction. is...
JEE Main 2022 (Online) 27th June Morning Shift
'A' and 'B' respectively are: ...
JEE Main 2022 (Online) 27th June Morning Shift
Which of the following reactions will yield benzaldehyde as a product? ...
JEE Main 2022 (Online) 26th June Evening Shift
Oxidation of toluene to benzaldehyde can be easily carried out with which of the following reagents?
JEE Main 2022 (Online) 26th June Evening Shift
The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is ...
JEE Main 2022 (Online) 26th June Evening Shift
The final product 'A' in the following reaction sequence ...
JEE Main 2022 (Online) 26th June Morning Shift
(C7H5O2)2 $$\buildrel {hv} \over \longrightarrow $$ [X] $$\to$$ 2C6H5 + 2CO2 Consider the above reaction and identify the intermediate 'X'...
JEE Main 2022 (Online) 26th June Morning Shift
Which will have the highest enol content?
JEE Main 2022 (Online) 25th June Evening Shift
Which of the following conditions or reaction sequence will NOT give acetophenone as the major product?
JEE Main 2022 (Online) 24th June Morning Shift
Two statements are given below : Statement I : The melting point of monocarboxylic acid with even number of carbon atoms is higher than that of with o...
JEE Main 2021 (Online) 1st September Evening Shift
Experimentally reducing a functional group cannot be done by which one of the following reagents?
JEE Main 2021 (Online) 1st September Evening Shift
In the following sequence of reactions a compound A, (molecular formula C6H12O2) with a straight chain structure gives a C4 carboxylic acid. A is : ...
JEE Main 2021 (Online) 1st September Evening Shift
Given below are two statements :Statement I : The nucleophilic addition of sodium hydrogen sulphite to an aldehyde or a ketone involves proton transfe...
JEE Main 2021 (Online) 31st August Evening Shift
The structures A and B formed in the following reaction are : [Ph = $$-$$C6H5]...
JEE Main 2021 (Online) 31st August Evening Shift
For the reaction given below :-The compound which is not formed as a product in the reaction is a :...
JEE Main 2021 (Online) 31st August Morning Shift
The structure of product C, formed by the following sequence of reactions is :...
JEE Main 2021 (Online) 27th August Evening Shift
Given below are two statements :Statement I : Ethyl pent-4-yn-oate on reaction with CH3MgBr gives a 3$$^\circ$$-alcohol.Statement II : In this reactio...
JEE Main 2021 (Online) 27th August Evening Shift
Which one of the following reactions will not yield propionic acid?
JEE Main 2021 (Online) 27th August Morning Shift
The structure of the starting compound P used in the reaction given below is :...
JEE Main 2021 (Online) 26th August Morning Shift
The major products formed in the following reaction sequence A and B are :...
JEE Main 2021 (Online) 26th August Morning Shift
The correct sequential addition of reagents in the preparation of 3-nitrobenzoic acid from benzene is :
JEE Main 2021 (Online) 27th July Morning Shift
Which one of the following compounds will give orange precipitate when treated with 2, 4-dinitrophenyl hydrazine?
JEE Main 2021 (Online) 25th July Evening Shift
Maleic anhydride can prepared by :...
JEE Main 2021 (Online) 25th July Evening Shift
[where $$Et \Rightarrow - {C_2}{H_5}{}^tBu \Rightarrow {(C{H_3})_3}C - $$]Consider the above reaction sequence, Product "A" and Product "B" formed re...
JEE Main 2021 (Online) 25th July Morning Shift
Consider the given reaction, the product 'X' is :...
JEE Main 2021 (Online) 25th July Morning Shift
Which one of the following compounds will liberate CO2, when treated with NaHCO3 ?
JEE Main 2021 (Online) 20th July Evening Shift
The major product (P) in the following reaction is :...
JEE Main 2021 (Online) 20th July Evening Shift
The correct order of their reactivity towards hydrolysis at room temperature is :...
JEE Main 2021 (Online) 20th July Morning Shift
Which among the above compound/s does/do not form Silver mirror when treated with Tollen's reagent?...
JEE Main 2021 (Online) 18th March Evening Shift
Consider the above reaction, the product 'X' and 'Y' respectively are :...
JEE Main 2021 (Online) 18th March Morning Shift
Consider the above chemical reaction and identify product "A"...
JEE Main 2021 (Online) 18th March Morning Shift
Considering the above chemical reaction, identify the product "X" :...
JEE Main 2021 (Online) 17th March Morning Shift
The product ''A'' in the above reaction is :...
JEE Main 2021 (Online) 17th March Morning Shift
Mesityl oxide is a common name of :
JEE Main 2021 (Online) 16th March Evening Shift
In the above reaction, the reagent ''A'' is :...
JEE Main 2021 (Online) 16th March Morning Shift
The product ''P'' in the above reaction is :...
JEE Main 2021 (Online) 16th March Morning Shift
Assertion A : Enol form of acetone [CH3COCH3] exists in < 0.1% quantity. However, the enol form of acetyl acetone [CH3COCH2OCCH3] exists in approxi...
JEE Main 2021 (Online) 26th February Evening Shift
Identify A in the following chemical reaction....
JEE Main 2021 (Online) 26th February Evening Shift
2, 4-DNP test can be used to identify :
JEE Main 2021 (Online) 26th February Evening Shift
Considering the above reaction, the major product among the following is :...
JEE Main 2021 (Online) 26th February Evening Shift
Identify A in the given chemical reaction....
JEE Main 2021 (Online) 25th February Evening Shift
The major product of the following reaction is : ...
JEE Main 2021 (Online) 25th February Morning Shift
Which one of the following reactions will not form acetaldehyde?
JEE Main 2021 (Online) 25th February Morning Shift
Compound(s) which will liberate carbon dioxide with sodium bicarbonate solution is/are :...
JEE Main 2021 (Online) 25th February Morning Shift
The major product of the following chemical reaction is :...
JEE Main 2021 (Online) 24th February Evening Shift
Which one of the following carbonyl compounds cannot be prepared by addition of water on an alkyne in the presence of HgSO4 and H2SO4?...
JEE Main 2021 (Online) 24th February Evening Shift
Which of the following reagent is suitable for the preparation of the product in the above reaction?...
JEE Main 2021 (Online) 24th February Evening Shift
Match List - I and List - II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-fam...
JEE Main 2021 (Online) 24th February Morning Shift
Which of the following reagent is used for the following reaction ? $$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_3 \stackrel{?}{\longrightarrow} \mathrm...
JEE Main 2020 (Online) 6th September Evening Slot
The correct match between Item-I (starting material) and Item-II (reagent) for the preparation of benzaldehyde is : .tg {border-collapse:collapse;bo...
JEE Main 2020 (Online) 6th September Morning Slot
The major products of the following reaction are : ...
JEE Main 2020 (Online) 6th September Morning Slot
Consider the following reactions 'A' is :...
JEE Main 2020 (Online) 5th September Morning Slot
In the following reaction sequence the major products A and B are : ...
JEE Main 2020 (Online) 5th September Morning Slot
The increasing order of the acidity of the $$\alpha $$-hydrogen of the following compounds is : ...
JEE Main 2020 (Online) 5th September Morning Slot
Which of the following derivatives of alcohols is unstable in an aqueous base?
JEE Main 2020 (Online) 4th September Evening Slot
The major product [C] of the following reaction sequence will be : ...
JEE Main 2020 (Online) 4th September Morning Slot
An organic compound (A) (molecular formula C6H12O2) was hydrolysed with dil. H2SO4 to give a carboxylic acid (B) and an alcohol (C). ‘C’ gives white t...
JEE Main 2020 (Online) 4th September Morning Slot
[P] on treatment with Br2/FeBr3 in CCl4 produced a single isomer C8H7O2Br while heating [P] with sodalime gave toluene. The compound [P] is...
JEE Main 2020 (Online) 3rd September Evening Slot
The increasing order of the reactivity of the following compound in nucleophilic addition reaction is : Propanal, Benzaldehyde, Propanone, Butanone...
JEE Main 2020 (Online) 3rd September Evening Slot
The compound A in the following reaction is : ...
JEE Main 2020 (Online) 3rd September Evening Slot
Consider the following molecules and statements related to them : (a) (B) is more likely to be crystalline than (A) (b) (B) has higher boiling point ...
JEE Main 2020 (Online) 2nd September Evening Slot
Arrange the following labelled hydrogens in decreasing order of acidity : ...
JEE Main 2020 (Online) 2nd September Evening Slot
Two compounds A and B with same molecular formula (C3H6O) undergo Grignard’s reaction with methylmagnesium bromide to give products C and D. Products ...
JEE Main 2020 (Online) 2nd September Morning Slot
The increasing order of the following compounds towards HCN addition is : ...
JEE Main 2020 (Online) 9th January Evening Slot
In the following reaction A is : ...
JEE Main 2020 (Online) 9th January Morning Slot
Identify (A) in the following reaction sequence : ...
JEE Main 2020 (Online) 8th January Evening Slot
An unsaturated hydrocarbon X absorbs two hydrogen molecules on catalytic hydrogenation and also gives following reaction : B(3 - oxo - hexanedicarbox...
JEE Main 2020 (Online) 8th January Morning Slot
The most suitable reagent for the given conversion is : ...
JEE Main 2020 (Online) 8th January Morning Slot
The predominant intermolecular forces present in ethyl acetate, a liquid, are:
JEE Main 2020 (Online) 7th January Morning Slot
What is the product of following reaction ? ...
JEE Main 2019 (Online) 12th April Morning Slot
The major products of the following reaction are : ...
JEE Main 2019 (Online) 12th April Morning Slot
The major product(s) obtained in the following reaction is/are : ...
JEE Main 2019 (Online) 10th April Evening Slot
Compound A(C9H10O) shows positive iodoform test. Oxidation of A with KMnO4/KOH given acid B(C8H6O4). Anhydride of B is used for the preparation of phe...
JEE Main 2019 (Online) 10th April Evening Slot
The major product 'Y' in the following reaction is : ...
JEE Main 2019 (Online) 10th April Morning Slot
Major products of the following reaction are : ...
JEE Main 2019 (Online) 9th April Evening Slot
In the following reaction Rate of the reaction is the highest for :...
JEE Main 2019 (Online) 9th April Evening Slot
The major product of the following reaction is: ...
JEE Main 2019 (Online) 9th April Evening Slot
p-Hydroxybenzophenone upon reaction with bromine in carbon tetrachloride gives:
JEE Main 2019 (Online) 9th April Morning Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 8th April Evening Slot
The major product obtained in the following reaction is ...
JEE Main 2019 (Online) 8th April Morning Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 8th April Morning Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 12th January Evening Slot
The aldehydes which will not form Grignard product with one equivalent Grignard reagents are - ...
JEE Main 2019 (Online) 12th January Evening Slot
The major product of the following reaction is – ...
JEE Main 2019 (Online) 12th January Morning Slot
In the following reaction : Aldehyde + Alcohol   $$\buildrel {HCl} \over \longrightarrow $$  Acetal .tg {border-collapse:col...
JEE Main 2019 (Online) 12th January Morning Slot
In the following reaction, products A and B are – ...
JEE Main 2019 (Online) 12th January Morning Slot
The major product of the following reaction is – ...
JEE Main 2019 (Online) 11th January Evening Slot
The major product obtained in the following reaction is : ...
JEE Main 2019 (Online) 11th January Evening Slot
The major product obtained in the following conversion is ...
JEE Main 2019 (Online) 11th January Morning Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 10th January Evening Slot
The major product of the following reaction is ...
JEE Main 2019 (Online) 10th January Evening Slot
What will be the major product in the following mononitration reaction ? ...
JEE Main 2019 (Online) 10th January Evening Slot
The major product obtained in the following reaction is : ...
JEE Main 2019 (Online) 10th January Evening Slot
Which is the most suitable reagent for the following transformation ? ...
JEE Main 2019 (Online) 10th January Morning Slot
Which dicarboxylic acid in presence of a dehydrating agent is least reactive to give an anhydride?
JEE Main 2019 (Online) 10th January Morning Slot
The decreasing order of ease of alkaline hydrolysis for the following esters in ...
JEE Main 2019 (Online) 9th January Evening Slot
The correct match between Item I and Item II is : .tg {border-collapse:collapse;border-spacing:0;} .tg td{font-family:Arial, sans-serif;font-size:14...
JEE Main 2019 (Online) 9th January Evening Slot
The major product in the following reaction is : ...
JEE Main 2019 (Online) 9th January Evening Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 9th January Evening Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 9th January Evening Slot
The products formed in the reaction of cumene with O2 followed by treatment with dil. HCl are :
JEE Main 2018 (Online) 16th April Morning Slot
Which of the following compounds will most readily be dehydrated to give alkene under acidic condition ?
JEE Main 2018 (Online) 16th April Morning Slot
The major product of the following reaction is : ...
JEE Main 2018 (Online) 16th April Morning Slot
The major product B formed in the following reaction sequence is : ...
JEE Main 2018 (Online) 15th April Evening Slot
The increasing order of the acidity of the following carboxylic acids is : ...
JEE Main 2018 (Online) 15th April Evening Slot
The major product formed in the following reaction is : ...
JEE Main 2018 (Online) 15th April Morning Slot
The main reduction product of the following compound with NaBH4 in methanol is : ...
JEE Main 2018 (Online) 15th April Morning Slot
The reagent(s) required for the following conversion are : ...
JEE Main 2017 (Online) 9th April Morning Slot
A compound of molecular formula C8H8O2 reacts with acetophenone to form a single cross-aldol product in the presence of base. The same compound on re...
JEE Main 2017 (Online) 9th April Morning Slot
Which of the following compounds will show highest dipole moment ? ...
JEE Main 2017 (Online) 8th April Morning Slot
The major product expected from the following reaction is : ...
JEE Main 2017 (Offline)
Sodium salt of an organic acid ‘X’ produces effervescence with conc. H2SO4. ‘X’ reacts with the acidified aqueous CaCl2 solution to give a white preci...
JEE Main 2017 (Offline)
The major product obtained in the following reaction is : ...
JEE Main 2017 (Offline)
The correct sequence of reagents for the following conversion will be : ...
JEE Main 2016 (Online) 10th April Morning Slot
The correct statement about the synthesis of erythritol (C(CH2OH)4) used in the preparation of PETN is :
JEE Main 2015 (Offline)
In the following sequence of reactions: The product C is...
JEE Main 2015 (Offline)
Which compound would give $$5$$ - keto - $$2$$ - methylhexanal upon ozonolysis?
JEE Main 2014 (Offline)
In the reaction, the product C is:...
JEE Main 2014 (Offline)
Sodium phenoxide when heated with $$C{O_2}$$ under pressure at $${125^ \circ }C$$ yields a product which on acetylation products $$C.$$ The major pr...
AIEEE 2012
In the given transformation, which of the following is the most appropriate reagent ? ...
AIEEE 2011
Trichloroacetaldehyde was subjected to Cannizzaro’s reaction by using NaOH. The mixture of the products contains sodium trichloroacetate and another c...
AIEEE 2011
The strongest acid amongst the following compounds is :
AIEEE 2011
Sodium ethoxide has reacted with ethanoyl chloride. The compound that is produced in the above reaction is
AIEEE 2010
One mole of a symmetrical alkene on ozonolysis gives two moles of an aldehyde having a molecular mass of 44 u. The alkene is
AIEEE 2009
A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was : ...
AIEEE 2009
In Cannizzaro reaction given below 2PhCHO $$\buildrel {\mathop {:OH}\limits^{\left( - \right)} } \over \longrightarrow $$ PhCH2OH + $$PhC\mathop O...
AIEEE 2007
The compound formed as a result of oxidation of ethyl benzene by KMnO4 is :
AIEEE 2006
The increasing order of the rate of HCN addition to compounds A – D is (A) HCHO (B) CH3COCH3 (C) PhCOCH3 (D) PhCOPh...
AIEEE 2006
The correct order of increasing acid strength of the compounds ...
AIEEE 2005
Among the following acids which has the lowest pKa value?
AIEEE 2005
Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compound if water during the reaction is continuou...
AIEEE 2005
$$p$$-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound $$B.$$ The latter on a...
AIEEE 2004
On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is
AIEEE 2004
Which of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid?
AIEEE 2004
Which one of the following reduced with zinc and hydrochloric acid to give the corresponding hydrocarbon?
AIEEE 2003
When CH2 = CH - COOH is reduced with LiAlH4, the compound obtained will be
AIEEE 2003
The reaction of chloroform with alcoholic $$KOH$$ and p-toluidine forms
AIEEE 2002
What is B?...
AIEEE 2002
...
AIEEE 2002
Picric acid is :

Numerical

JEE Main 2024 (Online) 31st January Morning Shift
The product of the following reaction is P. The number of hydroxyl groups present in the product P is ________....
JEE Main 2024 (Online) 29th January Evening Shift
The total number of 'Sigma' and 'Pi' bonds in 2-formylhex-4-enoic acid is _________.
JEE Main 2024 (Online) 29th January Morning Shift
From the compounds given below, number of compounds which give positive Fehling's test is _________. Benzaldehyde, Acetaldehyde, Acetone, Acetophenone...
JEE Main 2023 (Online) 12th April Morning Shift
The value of $$x$$ in compound 'D' is _________....
JEE Main 2023 (Online) 12th April Morning Shift
The mass of NH$$_3$$ produced when 131.8 kg of cyclohexanecarbaldehyde undergoes Tollen's test is ________ kg. (Nearest Integer) Molar Mass of C = 12g...
JEE Main 2023 (Online) 1st February Morning Shift
Number of isomeric compounds with molecular formula $$\mathrm{C}_{9} \mathrm{H}_{10} \mathrm{O}$$ which (i) do not dissolve in $$\mathrm{NaOH}$$ (ii) ...
JEE Main 2023 (Online) 31st January Evening Shift
The number of molecules which gives the haloform test among the following molecules is ________. ...
JEE Main 2023 (Online) 30th January Evening Shift
Number of compounds from the following which will not dissolve in cold $\mathrm{NaHCO}_{3}$ and $\mathrm{NaOH}$ solutions but will dissolve in hot $\m...
JEE Main 2023 (Online) 30th January Morning Shift
A trisubstituted compound '$$\mathrm{A}$$', $$\mathrm{C}_{10} \mathrm{H}_{12} \mathrm{O}_{2}$$ gives neutral $$\mathrm{FeCl}_{3}$$ test positive. Trea...
JEE Main 2023 (Online) 25th January Evening Shift
Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is ___________ ...
JEE Main 2022 (Online) 29th July Evening Shift
The number of stereoisomers formed in a reaction of $$(±)\mathrm{Ph}(\mathrm{C}=\mathrm{O}) \mathrm{C}(\mathrm{OH})(\mathrm{CN}) \mathrm{Ph}$$ with $$...
JEE Main 2022 (Online) 27th July Evening Shift
The spin only magnetic moment of the complex present in Fehling's reagent is __________ B.M. (Nearest integer).
JEE Main 2022 (Online) 25th July Morning Shift
In the given reaction The number of chiral carbon/s in product A is ___________....
JEE Main 2022 (Online) 30th June Morning Shift
A hydrocarbon 'X' is found to have molar mass of 80. A 10.0 mg of compound 'X' on hydrogenation consumed 8.40 mL of H2 gas (measured at STP). Ozonolys...
JEE Main 2022 (Online) 29th June Evening Shift
In the given reaction, The number of $$\pi$$ electrons present in the product 'P' is _________....
JEE Main 2021 (Online) 18th March Evening Shift
In Tollen's test for aldehyde, the overall number of electron(s) transferred to the Tollen's reagent formula [Ag(NH3)2]+ per aldehyde group to form si...
JEE Main 2021 (Online) 18th March Evening Shift
Consider the above reaction where 6.1 g of Benzoic acid is used to get 7.8 g of m-bromo benzoic acid. The percentage yield of the product is _________...
JEE Main 2021 (Online) 17th March Evening Shift
The total number of C-C sigma bond/s in mesityl oxide (C6H10O) is __________. (Round off to the Nearest Integer).
JEE Main 2021 (Online) 25th February Evening Shift
The number of compound/s given below which contain/s -COOH group is __________. (Integer answer)(A) Sulphanilic acid(B) Picric acid(C) Aspirin(D) Asco...
JEE Main 2020 (Online) 9th January Evening Slot
Consider the following reactions The mass percentage of carbon in A is ______....

MCQ (More than One Correct Answer)

JEE Main 2020 (Online) 3rd September Morning Slot
An organic compound [A], molecular formula C10H20O2 was hydrolyzed with dilute sulphuric acid to give a carboxylic acid [B] and an alcohol [C]. Oxida...
AIEEE 2011
Silver Mirror test is given by which one of the following compounds ?
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