In a basic medium, acetophenone yields a stable compound A with C2H5ONa.

The structure of A is:

1.  2.
3. 4.

Subtopic:  Name Reaction |
 65%
From NCERT
AIPMT - 2008
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A strong base can abstract an α-hydrogen from:

1. Alkene
2. Amine
3. Ketone
4. Alkane
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 70%
From NCERT
AIPMT - 2008
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The product of the below-mentioned reaction is:

1.  2.
3. 4.
Subtopic:  Carboxylic Acids: Preparation & Properties |
 84%
From NCERT
NEET - 2019
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The correct statement among the following about HCOOH is:

1. It is a stronger acid than CH3COOH

2. It reduces Tollen’s reagent

3. It gives CO and H2O on heating with conc.H2SO4

4. All of the above

Subtopic:  Carboxylic Acids: Preparation & Properties |
 80%
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What results from a reaction between concentrated H2SO4 and acetone?

1. Phorone

2. Mesitylene

3. Mesityl oxide

4. Crotonaldehyde

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 50%
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Compounds A and B are, respectively:

A B
1.  CH2CH2CHO CH=CH-CH2OH
2. CH2CH2CH2OH CH=CH-CH2OH
3. CH=CH-CH2OH CH=CH-CH2OH
4. CH2CH2CH2OH CH2CH2CH2OH
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 59%
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CH3–CH2–CHO  + dil NaOH gives   X

What is product X in the above reaction?

1. CH3-CH2COOH
2. CH3-CH2-CH2COOH
3.
4.
Subtopic:  Name Reaction |
 66%
From NCERT
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On hydrolysis, a sweet-smelling ester A , with a molar mass of 116, produces a carboxylic acid and an alcohol. Alcohol gives a positive iodoform reaction. The formula for A will be:

1.
2. CH3CH2–O–COC3H7
3. CH3–O–COC4H9
4.
Subtopic:  Isomers & Reaction Mechanism |
From NCERT
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Propanoic acid with Br2/P yields a dibromo product. Its structure would be:
1. \(CH_2Br - CHBr - COOH\)
2.
3. \({CH}_{2}{Br}{-}{CH}_{2}{-}{COBr}\)
4.
Subtopic:  Name Reaction |
 72%
From NCERT
AIPMT - 2009
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The compound that is most susceptible to a nucleophilic attack in the carbonyl group is:

1. CH3COOCH3

2. CH3CONH2

3. CH3COOCOCH3

4. CH3COCl

Subtopic:  Isomers & Reaction Mechanism |
 67%
AIPMT - 2010
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