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Aldehydes, Ketones and Carboxylic Acids

Previous year questions with solutions · 2000 – 2026

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79Questions
34Papers covered
4.44%Weightage 2026▼ 33.3% vs last year
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Year-wise statistics questions · papers · average per paper · weightage
YearQuestionsPapersAvg / paperWeightage
20264224.44% ▼ 33.3% vs last year
20253136.67% ▲ 34.7% vs last year
2024522.54.95% ▼ 15.8% vs last year
20233135.88% ▼ 25.7% vs last year
20228247.92% ▲ 32% vs last year
20213136.00% ▲ 35% vs last year
20202124.44% ▲ 100% vs last year
20191112.22% ▼ 50% vs last year
20182124.44% same as last year
20172124.44% same as last year
20164224.44% same as last year
20154224.44% ▲ 100% vs last year
20141112.22% ▼ 1.1% vs last year
20132212.25% ▼ 77.5% vs last year
201282410.00% ▲ 305% vs last year
20112212.47% ▼ 60.5% vs last year
2010522.56.25% ▲ 218.8% vs last year
20091111.96% ▼ 66.7% vs last year
20083135.88% ▼ 26.5% vs last year
20074148.00% ▲ 33.3% vs last year
20063136.00% ▲ 200% vs last year
20051112.00% ▼ 51% vs last year
20032124.08% ▼ 32% vs last year
20023136.00% ▲ 2% vs last year
20003135.88%

74 questions · newest paper first · page 3 of 3

Ques. 61AIPMT 2007

Which one of the following on treatment with 50% aqueous sodium hydroxide yields the corresponding alcohol and acid?

  1. C6H5CHO
  2. CH3CH2CH2CHO
  3. CH3- O \|C-CH3
  4. C6H5CH2CHO
Ques. 62AIPMT 2007

Which of the following represents the correct order of the acidity in the given compounds ?

  1. FCH2COOH > CH3COOH > BrCH2COOH > ClCH2COOH
  2. BrCH2COOH > ClCH2COOH > FCH2COOH > CH3COOH
  3. FCH2COOH > ClCH2COOH > BrCH2COOH > CH3COOH
  4. CH3COOH > BrCH2COOH > ClCH2COOH > FCH2COOH
Ques. 63AIPMT 2006

A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of α-hydroxy acid. The carbonyl compound is

  1. formaldehyde
  2. acetaldehyde
  3. acetone
  4. diethyl ketone
Ques. 64AIPMT 2006

Nucleophilic addition reaction will be most favoured in

  1. CH3CHO
  2. CH3-CH2-CH2- O \|C-CH3
  3. (CH3)2C=O
  4. CH3CH2CHO
Ques. 65AIPMT 2006

Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields

  1. ethyl propionate
  2. ethyl butyrate
  3. acetoacetic ester
  4. methyl acetoacetate
Ques. 66AIPMT 2005

In a set of reactions acetic acid yielded a product D. CH3COOH SOCl2 A [anhy. AlCl3]benzene B HCN C HOH D The structure of D would be

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 67AIPMT 2003

When m-chlorobenzaldehyde is treated with 50% KOH solution, the product(s) obtained is (are)

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 68AIPMT 2003

A and B in the following reactions are : [figure]

  1. [figure]
  2. [figure]
  3. A = RR'CHCN, B = NaOH
  4. [figure]
Ques. 69AIPMT 2002

[figure] In the above reaction product P is

  1. [figure]
  2. [figure]
  3. [figure]
  4. C6H5- O \|C-C6H5
Ques. 70AIPMT 2002

In the following reaction product P is R- O \|C-Cl [Pd-BaSO4]H2 P

  1. RCH2OH
  2. RCOOH
  3. RCHO
  4. RCH3
Ques. 71AIPMT 2002

[figure] Product 'P' in the above reaction is

  1. [figure]
  2. [figure]
  3. [figure]
  4. [figure]
Ques. 72AIPMT 2000

First product of the reaction between RCHO and NH2NH2 is

  1. RCH=NNH2
  2. RCH=NH
  3. RCH2NH2
  4. RCON3
Ques. 73AIPMT 2000

Benzoic acid may be converted into ethyl benzoate by reaction with :

  1. ethyl alcohol
  2. ethyl alcohol and dry HCl
  3. ethyl chloride
  4. sodium ethoxide.
Ques. 74AIPMT 2000

Reduction by LiAlH4 of hydrolysed product of an ester gives

  1. two alcohols
  2. two aldehydes
  3. one acid and one alcohol
  4. two acids.