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JEE Main

Alcohols, Phenols and Ethers

Chemistry

Previous Years Questions

MCQ (Single Correct Answer)

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A compound 'X' is acidic and it is soluble in NaOH solution, but insoluble in NaHCO3 solution. Compound 'X' also gives v...
JEE Main 2022 (Online) 29th July Morning Shift
Considering the above reactions, the compound 'A' and compound 'B' respectively are :...
JEE Main 2022 (Online) 29th July Morning Shift
Compound I is heated with Conc. HI to give a hydroxy compound A which is further heated with Zn dust to give compound B....
JEE Main 2022 (Online) 28th July Evening Shift
The major product in the given reaction is ...
JEE Main 2022 (Online) 28th July Evening Shift
Identify the major products A and B for the below given reaction sequence. ...
JEE Main 2022 (Online) 28th July Morning Shift
Choose the correct option for the following reactions. ...
JEE Main 2022 (Online) 28th July Morning Shift
In the above reaction product B is:...
JEE Main 2022 (Online) 27th July Morning Shift
Which reactant will give the following alcohol on reaction with one mole of phenyl magnesium bromide $$(\mathrm{PhMgBr})...
JEE Main 2022 (Online) 26th July Morning Shift
The difference in the reaction of phenol with bromine in chloroform and bromine in water medium is due to :
JEE Main 2022 (Online) 26th July Morning Shift
What is the major product of the following reaction? ...
JEE Main 2022 (Online) 25th July Evening Shift
The reagent neutral ferric chloride is used to detect the presence of ______________
JEE Main 2022 (Online) 30th June Morning Shift
Consider the above reaction sequence. Identify the component A and component B :...
JEE Main 2022 (Online) 30th June Morning Shift
Hex-4-ene-2-ol on treatment with PCC gives 'A'. 'A' on reaction with sodium hypoiodite gives 'B', which on further heati...
JEE Main 2022 (Online) 24th June Evening Shift
The intermediate X, in the reaction : ...
JEE Main 2022 (Online) 25th June Morning Shift
The major product formed in the following reaction, is ...
JEE Main 2022 (Online) 25th June Evening Shift
In the given reaction 'A' can be...
JEE Main 2022 (Online) 25th June Evening Shift
The major product in the following reaction ...
JEE Main 2022 (Online) 26th June Evening Shift
The major product (P) of the given reaction is (where, Me is $$-$$CH3) ...
JEE Main 2022 (Online) 28th June Evening Shift
Given below are two statements : Statement I : Phenols are weakly acidic. Statement II : Therefore they are freely solub...
JEE Main 2022 (Online) 29th June Morning Shift
The major product of the following reaction is :...
JEE Main 2021 (Online) 31st August Evening Shift
The structures A and B formed in the following reaction are : [Ph = $$-$$C6H5]...
JEE Main 2021 (Online) 31st August Evening Shift
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)...
JEE Main 2021 (Online) 31st August Morning Shift
The major product formed in the following reaction is :...
JEE Main 2021 (Online) 31st August Morning Shift
The major product of the following reaction, if it occurs by SN2 mechanism is :...
JEE Main 2021 (Online) 27th August Evening Shift
Given below are two statements :Statement I : Ethyl pent-4-yn-oate on reaction with CH3MgBr gives a 3$$^\circ$$-alcohol....
JEE Main 2021 (Online) 27th August Evening Shift
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)...
JEE Main 2021 (Online) 27th August Morning Shift
The major product of the following reaction is :...
JEE Main 2021 (Online) 27th August Morning Shift
Which one of the following phenols does not give colour when condensed with phthalic anhydride in presence of conc. H2SO...
JEE Main 2021 (Online) 26th August Evening Shift
The correct options for the products A and B of the following reactions are :...
JEE Main 2021 (Online) 26th August Morning Shift
Consider the above reaction, and choose the correct statement :...
JEE Main 2021 (Online) 27th July Evening Shift
Consider the above reaction, the major product "P" formed is :...
JEE Main 2021 (Online) 27th July Evening Shift
Consider the above reaction and identify the Product P :...
JEE Main 2021 (Online) 27th July Morning Shift
The given reaction can occur in the presence of :(a) Bromine water(b) Br2 in CS2, 273 K(c) Br2/FeBr3(d) Br2 in CHCl3, 27...
JEE Main 2021 (Online) 25th July Morning Shift
Consider the above reaction, the major product 'P' is :...
JEE Main 2021 (Online) 25th July Morning Shift
An organic compound A (C6H6O) gives dark green colouration with ferric chloride. On treatment with CHCl3 and KOH, follow...
JEE Main 2021 (Online) 22th July Evening Shift
Which of the following compounds will provide a tertiary alcohol or reaction with excess of CH3MgBr followed by hydrolys...
JEE Main 2021 (Online) 22th July Evening Shift
Reaction of Grignard reagent, C2H5MgBr with C8H8O followed by hydrolysis gives compound "A" which reacts instantly with ...
JEE Main 2021 (Online) 18th March Morning Shift
Given below are two statements :Statement I : 2-methylbutane on oxidation with KMnO4 gives 2-methylbutan-2-ol.Statement ...
JEE Main 2021 (Online) 17th March Evening Shift
Identify A in the given reaction....
JEE Main 2021 (Online) 26th February Evening Shift
Ceric ammonium nitrate and CHCl3/alc. KOH are used for the identification of functional groups present in __________ and...
JEE Main 2021 (Online) 26th February Evening Shift
B reacts with Hydroxyl amine but does not give Tollen's test. Identify A and B....
JEE Main 2021 (Online) 26th February Morning Shift
Given below are two statements : Statement I : o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding.St...
JEE Main 2021 (Online) 26th February Morning Shift
Identify the major products A and B respectively in the following reactions of phenol :...
JEE Main 2021 (Online) 26th February Morning Shift
What is 'X' in the given reaction?...
JEE Main 2021 (Online) 25th February Evening Shift
Which of the following compound gives pink colour on reaction with phthalic anhydride in conc. H2SO4 followed by treatme...
JEE Main 2021 (Online) 24th February Morning Slot
The major product of the following reaction is : ...
JEE Main 2020 (Online) 5th September Evening Slot
Which of the following derivatives of alcohols is unstable in an aqueous base?
JEE Main 2020 (Online) 5th September Morning Slot
The major product [R] in the following sequence of reactions as : ...
JEE Main 2020 (Online) 4th September Evening Slot
The major product [B] in the following reactions is : ...
JEE Main 2020 (Online) 4th September Evening Slot
When neopentyl alcohol is heated with an acid, it slowly converted into an 85 : 15 mixture of alkenes A and B, respectiv...
JEE Main 2020 (Online) 4th September Morning Slot
Consider the following reaction : The product 'P' gives positive ceric ammonium nitrate test. This is because of the pr...
JEE Main 2020 (Online) 3rd September Evening Slot
The major product of the following reaction is : ...
JEE Main 2020 (Online) 2nd September Evening Slot
Among the compounds A and B with molecular formula C9H18O3 , A is having higher boiling point the B. The possible struct...
JEE Main 2020 (Online) 8th January Evening Slot
The major product of the following reaction is : ...
JEE Main 2020 (Online) 8th January Morning Slot
Arrange the following compounds in increasing order of C–OH bond length : methanol, phenol, p-ethoxyphenol
JEE Main 2020 (Online) 8th January Morning Slot
Consider the following reactions : Which of these reactions are possible ?...
JEE Main 2020 (Online) 7th January Evening Slot
What is the product of following reaction ? ...
JEE Main 2020 (Online) 7th January Morning Slot
Consider the following reaction : $${\left( {C{H_3}} \right)_3}CCH\left( {OH} \right)C{H_3}\buildrel {conc.\,\,\,{H_2}S{...
JEE Main 2020 (Online) 7th January Morning Slot
Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. Reaction of X with Hg(OAc)2/H2O followed...
JEE Main 2019 (Online) 12th April Evening Slot
What will be the major product when m-cresol is reacted with propargyl bromide (HC$$ \equiv $$C–CH2Br) in presence of K2...
JEE Main 2019 (Online) 12th April Evening Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 12th April Morning Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 10th April Morning Slot
The major product of the following reaction is: ...
JEE Main 2019 (Online) 9th April Evening Slot
Aniline dissolved in dilute HCl is reacted with sodium nitrite at 0ºC. This solution was added dropwise to a solution co...
JEE Main 2019 (Online) 9th April Morning Slot
The major product of the following reaction is: ...
JEE Main 2019 (Online) 8th April Evening Slot
Coupling of benzene diazonium chloride with 1 - naphthol in alkaline medium will give :
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 in the following conversion is – ...
JEE Main 2019 (Online) 12th January Evening Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 11th January Evening Slot
The major product of the following reaction is : ...
JEE Main 2019 (Online) 11th January Morning Slot
The major product of the following reaction ...
JEE Main 2019 (Online) 10th January Evening Slot
Which is the most suitable reagent for the following transformation ? ...
JEE Main 2019 (Online) 10th January Evening Slot
The major product 'X' formed in the following reaction is : ...
JEE Main 2019 (Online) 10th January Morning Slot
The major product of the following reaction is : ...
JEE Main 2018 (Online) 15th April Morning Slot
The major product formed in the following reaction is : ...
JEE Main 2018 (Offline)
Phenol reacts with methyl chloroformate in the presence of NaOH to form product A. A reacts with Br2 to form product B. ...
JEE Main 2018 (Offline)
Phenol on treatment with CO2 in the presence of NaOH followed by acidification produces compound X as the major product....
JEE Main 2018 (Offline)
The major product of the following reaction is : ...
JEE Main 2017 (Online) 8th April Morning Slot
Consider the reaction sequence below : is ...
JEE Main 2016 (Online) 10th April Morning Slot
Bouveault-Blanc reduction reaction involves :
JEE Main 2016 (Online) 9th April Morning Slot
The gas evolved on heating CH3MgBr in methanol is :
JEE Main 2016 (Online) 9th April Morning Slot
Sodium phenoxide when heated with $$C{O_2}$$ under pressure at $${125^ \circ }C$$ yields a product which on acetylation ...
JEE Main 2016 (Offline)
The product of the reaction given below is : ...
JEE Main 2016 (Offline)
$$2$$-chloro-$$2$$-methylpentane on reaction with sodium methoxide in methanol yields: ...
JEE Main 2016 (Offline)
Arrange the following compounds in order of decreasing acidity : ...
JEE Main 2013 (Offline)
An unknown alcohol is treated with the “Lucas reagent” to determine whether the alcohol is primary, secondary or tertiar...
JEE Main 2013 (Offline)
Phenol is heated with a solution of mixture of KBr and KBrO3. The major product obtained in the above reaction is ...
AIEEE 2011
The main product of the following reaction is $$\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,$$ $${C_6}{H_5}C{H_2}CH\lef...
AIEEE 2010
From amongst the following alcohols the one that would react fastest with conc. HCl and anhydrous ZnCl2, is
AIEEE 2010
The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :
AIEEE 2009
Phenol, when it first reacts with concentrated sulphuric acid and then with concentrated nitric acid, gives
AIEEE 2008
In the following sequence of reactions, CH3CH2OH $$\buildrel {P + {I_2}} \over \longrightarrow $$ A $$\mathrel{\mathop...
AIEEE 2007
Among the following the one that gives positives iodoform test upon reaction with $${I_2}$$ and $$NaOH$$ is
AIEEE 2006
The electrophile involved in the above reaction is ...
AIEEE 2006
The structure of the compound that gives a tribromo derivative on treatment with bromine water is
AIEEE 2006
HBr reacts with CH2 = CH – OCH3 under anhydrous conditions at room temperature to give
AIEEE 2006
$$p$$-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the c...
AIEEE 2005
The best reagent to convert pent -3- en-2-ol into pent -3-en-2-one is
AIEEE 2005
Among the following compounds which can be dehydrated very easily is
AIEEE 2004
During dehydration of alcohols to alkenes by heating with conc. H2SO4 the initiation step is
AIEEE 2003

Numerical

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In the following reaction The $$\%$$ yield for reaction I is $$60 \%$$ and that of reaction II is $$50 \%$$. The overal...
JEE Main 2022 (Online) 27th July Morning Shift
In the presence of sunlight, benzene reacts with Cl2 to give product, X. The number of hydrogens in X is _____________....
JEE Main 2022 (Online) 26th July Morning Shift
In the given reaction, the number of sp2 hybridised carbon(s) in compound 'X' is ________....
JEE Main 2022 (Online) 29th June Evening Shift
The number of chiral alcohol(s) with molecular formula C4H10O is ________.
JEE Main 2022 (Online) 29th June Evening Shift
To synthesize 1.0 mole of 2-methylpropan-2-ol from Ethylethanoate ___________ equivalents of CH3MgBr Reagent will be req...
JEE Main 2021 (Online) 20th July Morning Shift
On complete reaction of FeCl3 with oxalic acid in aqueous solution containing KOH, resulted in the formation of product ...
JEE Main 2021 (Online) 17th March Evening Shift
A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percenta...
JEE Main 2020 (Online) 6th September Evening Slot

MCQ (More than One Correct Answer)

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Which of the following compounds reacts with ethylmagnesium bromide and also decolourizes bromine water solution:
JEE Main 2019 (Online) 11th January Evening Slot

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