Aldehydes, Ketones and Carboxylic Acids · Chemistry · NEET

Start Practice

MCQ (Single Correct Answer)

NEET 2024
Identify the correct reagents that would bring about the following transformation. ...
NEET 2024
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...
NEET 2024
For the given reaction: 'P' is...
NEET 2023 Manipur
Consider the given reaction: $$\mathrm{CH}_3 \mathrm{COCH}_3 \stackrel{\text { dil } \mathrm{Ba}(\mathrm{OH})_2}{\longrightarrow} \text { ''X" }$$ The...
NEET 2023 Manipur
Identify 'X' in above reactions...
NEET 2023 Manipur
The following conversion is known as: ...
NEET 2023 Manipur
Reagents which can be used to convert alcohols to carboxylic acids, are (A) $$\mathrm{CrO}_3-\mathrm{H}_2 \mathrm{SO}_4$$ (B) $$\mathrm{K}_2 \mathrm{C...
NEET 2023 Manipur
The major product formed in the following conversion is ___________. ...
NEET 2023
Complete the following reaction: [C] is _______....
NEET 2023
Identify the major product obtained in the following reaction: ...
NEET 2023
Identify the final product [D] obtained in the following sequence of reactions. ...
NEET 2022 Phase 2
Which of the following reactions is not an example for nucleophilic addition-elimination reaction?
NEET 2022 Phase 2
The product formed from the following reaction sequence is ...
NEET 2022 Phase 2
Match List-I with List-II : .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-fami...
NEET 2022 Phase 2
The incorrect method to synthesize benzaldehyde is
NEET 2022 Phase 1
Given below are two statements : Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses...
NEET 2022 Phase 1
RMgX + CO2 $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{dry}} $$ Y $$\buildrel {{H_3}{O^ + }} \over \longrightarrow $$ RCOOH What is ...
NEET 2022 Phase 1
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...
NEET 2022 Phase 1
Compound X on reaction with O3 followed by Zn/H2O gives formaldehyde and 2-methyl propanal as products. The compound X is
NEET 2022 Phase 1
Which one of the following is not formed when acetone reacts with 2-pentanone in the presence of dilute NaOH followed by heating?
NEET 2021
What is the IUPAC name of the organic compound formed in the following chemical reaction?...
NEET 2021
Consider the above reaction and identify the missing reagent/chemical....
NEET 2021
Match List-I with List-II Choose the correct answer from the options given below....
NEET 2021
The intermediate compound 'X' in the following chemical reaction is : ...
NEET 2021
The product formed in the following chemical reaction is : ...
NEET 2020 Phase 1
Identify compound X in the following sequence of reactions : ...
NEET 2020 Phase 1
Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as :
NEET 2020 Phase 1
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :
NEET 2018
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
NEET 2017
Consider the reactions, Identify A, X, Y and Z....
NEET 2017
Of the following, which is the product formed when cyclohexanone undergoes aldol condensation followed by heating?
NEET 2016 Phase 2
The correct order of strengths of the carboxylic acids is...
NEET 2016 Phase 2
The correct structure of the product 'A' formed in the reaction ...
NEET 2016 Phase 1
Which of the following reagents would distinguish cis-cyclopenta-1-2-diol from the trans-isomer?
NEET 2016 Phase 1
The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon, is
AIPMT 2015
The oxidation of benzene by V2O5 in the presence of air produces
AIPMT 2015
Reaction of a carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is
AIPMT 2015
Which one of the following esters gets hydrolysed most easily under alkaline conditions?
AIPMT 2015 Cancelled Paper
Treatment of cyclopentanone with methyl lithium gives which of the following species ? ...
AIPMT 2015 Cancelled Paper
An organic compound 'X' having molecular formula C5H10O yields phenylhydrazone and gives negative response to the iodoform test and Tollens' test. It ...
AIPMT 2014
Which one is most reactive towards nucleophilic addition reaction?
NEET 2013
The order of stability of the following tautomeric compounds is ...
NEET 2013
Reaction by which benzaldehyde cannot be prepared
AIPMT 2012 Mains
Consider the reaction : RCHO + NH2NH2 $$ \to $$ RCH $$=$$ N $$-$$ NH2 What sort of reaction is it?
AIPMT 2012 Mains
Consider the following reaction The product A is ...
AIPMT 2012 Prelims
CH3CHO and C6H5CH2CHO can be distinguished chemically by
AIPMT 2012 Prelims
The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is
AIPMT 2012 Prelims
Acetone is treated with excess of ethanol in the presence of hydrochloric acid. The product obtained is
AIPMT 2012 Prelims
Predict the products in the given reaction. ...
AIPMT 2011 Mains
Match the compounds given in List-I with List-II and select the suitable option using the code given below. .tg {border-collapse:collapse;border-sp...
AIPMT 2011 Mains
An organic compound A on treatment with NH3 gives B, which on heating gives C. C when treated with Br2 in the presence of KOH produces ethyl amine. Co...
AIPMT 2011 Mains
The order of reactivity of phenyl magnesium bromide (PhMgBr) with the following compounds: ...
AIPMT 2011 Prelims
Which one is a nucleophilic substitution reaction among the following ?
AIPMT 2011 Prelims
Clemmensen reduction of a ketone is carried out in the presence of which of the following?
AIPMT 2011 Prelims
In a set of reactions m-bromobenzoic acid gave a product D. Identify the product D. ...
AIPMT 2010 Mains
Which one of the following compounds will be most readily dehydrated?
AIPMT 2010 Prelims
Which of the following reactions will not result in the formation of carbon-carbon bonds?
AIPMT 2010 Prelims
Among the given compounds, the most susceptible to nucleophilic attack at the carbonyl group is
AIPMT 2009
Trichloroacetaldehyde, CCl3CHO reacts with chlorobenzene in presence of sulphuric acid and produces
AIPMT 2009
Propionic acid with Br2/P yields a dibromo product. Its structure would be
AIPMT 2008
A strong base can abstract an $$\alpha $$-hydrogen from
AIPMT 2008
The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of
AIPMT 2008
Acetophenone when reacted with a base, C2H5ONa,   yields a stable compound which has the structure
AIPMT 2007
Reduction of aldehydes and ketones into hydrocarbons using zinc amalgam and conc. HCl is called
AIPMT 2007
The product formed in Aldol condensation is
AIPMT 2007
Consider the following compounds The correct decreasing order of their reactivity towards hydrolysis is ...
AIPMT 2007
Which of the following represents the correct order of the acidity in the given compounds ?
AIPMT 2007
Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?
AIPMT 2006
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $$\alpha $$-hydrixy acid. The carb...
AIPMT 2006
Nucleophilic addition reaction will be most favoured in
AIPMT 2006
Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
AIPMT 2006
In a set of reactions propionic acid yielded a compound D. The structure of D would be...
AIPMT 2005
The major organic product formed from the following reaction : is...
AIPMT 2005
In a set of reactions acetic acid yielded a product D. The structure of D would be...
AIPMT 2004
The $$-$$ OH group of an alcohol or the $$-$$ COOH group of a carboxylic acid can be replaced by $$-$$ Cl using
AIPMT 2004
Which one of the following can be oxidised to the corresponding carbonyl compound?
AIPMT 2003
In this reaction : CH3CHO + HCN $$ \to $$ CH3CH(OH)CN            $$\buildrel {HOH} \over \lon...
AIPMT 2003
$$A$$ and $$B$$ in the following reactions are : ...
AIPMT 2003
When $$m$$-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are)
AIPMT 2003
In a set of the given reactions, acetic acid yielded a product C. Product $$C$$ would be...
AIPMT 2002
In the above reaction product P is ...
AIPMT 2002
In the following reaction product $$P$$ is ...
AIPMT 2002
are...
AIPMT 2001
Which of the following is incorrect?
AIPMT 2001
Which of the following give positive Fehling solution test?
AIPMT 2001
Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?
AIPMT 2000
First product of the reaction between RCHO and NH2NH2 is
AIPMT 2000
Reduction by LiAlH4 of hydrolysed product of an ester gives
AIPMT 2000
Benzoic acid may be converted into ethyl benzoate by reaction with :
AIPMT 2000
Polarisation in acrolein can be described as

MCQ (More than One Correct Answer)

AIPMT 2012 Mains
Which of the following compounds will give a yellow precipitate with iodine and alkali?
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12