Benzaldehyde cannot be prepared by:

1.
2.
3.
4. 

Subtopic:  Name Reaction |
 82%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The Clemmensen reduction of a ketone is carried out in the presence of:

1. Zn-Hg with HCl

2. LiAlH4

3. H2 and Pt as a catalyst

4. Glycol with KOH

Subtopic:  Name Reaction |
 92%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The hydrogenation of benzoyl chloride in the presence of Pd and BaSO4 gives:

1. Benzyl alcohol

2. Benzaldehyde

3. Benzoic acid

4. Phenol

Subtopic:  Name Reaction |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Alkaline hydrolysis of C4H8Cl2 'A' gives a compound (B) . 'B' on heating with NaOH and I2 produces a yellow precipitate of CHI3.The compound (B) is: 

1.  2.
3. 4.
Subtopic:  Name Reaction |
 82%
From NCERT
Please attempt this question first.
Hints
Links
Please attempt this question first.

HVZ reaction cannot be given by:

1. Butyric acid  2. Acetic acid
3. Benzoic acid  4. Phenylacetic acid
Subtopic:  Name Reaction |
 76%
From NCERT
Please attempt this question first.
Hints
Links
Please attempt this question first.

What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?

1.  2.
3. 4. None of these
Subtopic:  Aldehydes & Ketones: Preparation & Properties | Name Reaction |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The compound that does not give an iodoform test is:

1. 3-Pentanone

2.  2-Pentanone

3.  Ethanol

4.  Ethanal

Subtopic:  Name Reaction |
 75%
From NCERT
AIPMT - 1998
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

What is the most suitable reagent for the below mentioned conversion?

CH3CH=CHCH2CO
|| -CH3   
 CH3-CH=CHCH2CO
||OH

1.  Tollens' reagent 

2.  Benzoyl peroxide

3.  I2 and NaOH solution

4.  Sn and NaOH solution

Subtopic:  Name Reaction |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The conversions can be used for Clemmensen reduction are:

a.  Benzaldehyde into benzyl alcohol.

b.  Cyclohexanone into cyclohexane.

c.  Benzoyl chloride into benzaldehyde.

d.  Benzophenone into diphenyl methane.

1. a and b 2. b and c
3. c and d 4. b and d
Subtopic:  Name Reaction |
 74%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The compound on hydrolysis of 50% aqueous sodium hydroxide that produces the corresponding alcohol and acid is:

1. C6H5CH2CHO

2. C6H5CHO

3. CH3CH2CH2CHO

4. CH3-C||O-CH3

Subtopic:  Name Reaction |
 72%
From NCERT
AIPMT - 2007
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch