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 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Predict the products in the given reaction, 

1.  2.
3. 4.

Subtopic:  Isomers & Reaction Mechanism |
 65%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Acetone is treated with excess ethanol in the presence of hydrochloric acid.
The product obtained will be:

1.
2.
3.
4.
 

Subtopic:  Isomers & Reaction Mechanism |
 72%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The correct order of decreasing acid strength of
trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C), and formic acid (D) is:

1. B > A > D > C

2. B > D > C > A

3. A > B > C > D

4. A > C > B >D

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 83%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

CH3CHO and C6H5CH2CHO can be distinguished by:

1. Benedict test

2. Iodoform test

3. Tollen's reagent test

4. Fehling solution test

Subtopic:  Isomers & Reaction Mechanism |
 66%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which acid doesn't exhibit optical isomerism?

1. Maleic acid

2. α-amino acid

3. Lactic acid

4. Tartaric acid

Subtopic:  Isomers & Reaction Mechanism |
 54%
From NCERT
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 93%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The product 'D' in the below-mentioned reaction will be:

 

1.  2.
3. 4.
 

Subtopic:  Isomers & Reaction Mechanism |
 65%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The example of a nucleophilic substitution reaction among the following is:

1.
2.
3.
4.
Subtopic:  Isomers & Reaction Mechanism |
 64%
From NCERT
AIPMT - 2011
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links