Compounds A and C in the following reaction are:

\(\mathrm{\small{{CH}_3 {CHO} \xrightarrow[{(ii) ~H_{2}O}]{(i) ~CH_{3}MgBr}({A}) \stackrel{{H}_2 {SO}_4}{\longrightarrow}({B}) \xrightarrow[]{Hydroboration \ oxidation}(C)}}\)

1.  Identical                               

2.  Positional isomers

3.  Functional isomers       

4.  Optical isomers

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 68%
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

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

Which of the following compounds will give butanone on oxidation with alkaline KMnO4

solution?

1.  Butan-1-o1                 
2. Butan-2-ol
3.  Both (a) and (b)             
4.  None of the above

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 75%
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

Carbonyl compound is treated with--- in Clemmensen reduction .

1.  Zinc amalgam + HCl

2.  Sodium amalgam + HCl

3. Zinc amalgam + nitric acid

4.  Sodium amalgam + HNO3

Subtopic:  Name Reaction |
 91%
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

Which of the following compounds do not undergo aldol condensation?

Options are as follows:

1. a, b

2. b, d

3. b, c

4. c, d

 

Subtopic:  Name Reaction |
 85%
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 product (P) and (Q) of the given reaction are:
 

a.  Phenol b. Sodium phenoxide
c.  Sodium benzoate d. Benzophenone


1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Acid Derivatives - Preparation, Properties & Uses |
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

Through which of the following reactions number of carbon atoms can be increased in the chain?
a. Grignard reaction               
b. Cannizzaro’s reaction
c. Aldol condensation         
d. HVZ reaction

Choose the correct option:
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, c)

Subtopic:  Isomers & Reaction Mechanism | Name Reaction |
 78%
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

Benzophenone can be obtained by .......... .
a.  Benzoyl chloride + benzene 
b.  Benzoyl chloride + diphenyl cadmium
c.  Benzoyl chloride + phenyl magnesium chloride
d.  Benzene + carbon monoxide 

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Subtopic:  Aldehydes & Ketones: Preparation & Properties |
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

Match the common names given in Column I with the IUPAC names given in Column II.

Column l 
(Common names)
Column ll
(IUPAC names)
A. Cinnamaldehyde 1. Pentanal 
B. Acetophenone 2. Prop-2-enal
C. Valeraldehyde 3. 1-phenylethanone
D. Acrolein 4. 3-Phenylprop-2-en-al

Codes

A B C D
1. 2 3 4 1
2. 3 1 4 2
3. 1 4 3 2
4. 4 3 1 2
Subtopic:  Aldehydes & Ketones: Preparation & Properties |
 72%
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