Cannizzaro’s reaction is not given by:
1. | 2. | ||
3. | HCHO | 4. | CH3CHO |
The compound below is treated with a concentrated aqueous KOH solution. The products obtained are:
1. | |
2. | |
3. | |
4. |
What is the most suitable reagent for the below mentioned conversion?
1. Tollens' reagent
2. Benzoyl peroxide
3. and NaOH solution
4. Sn and NaOH solution
Carbonyl compound is treated with--- in Clemmensen reduction .
1. Zinc amalgam + HCl
2. Sodium amalgam + HCl
3. Zinc amalgam + nitric acid
4. Sodium amalgam +
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
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 |
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)
Match the example in Column I with the name of the reaction in Column II.
Column l (Example) |
Column ll (Reaction) |
A. | 1. Friedel-Crafts acylation |
B. | 2. HVZ reaction |
C. \(\small{2 \mathrm{CH}_{3} \mathrm{CHO} \stackrel{\mathrm{NaOH}}{\longrightarrow} \mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CHCHO}}\) | 3. Aldol condensation |
D. | 4. Rosenmund Reaction |
A | B | C | D | |
1. | 2 | 3 | 4 | 1 |
2. | 3 | 1 | 4 | 2 |
3. | 3 | 4 | 1 | 2 |
4. | 4 | 1 | 3 | 2 |
Select the correct option based on statements below:
Assertion (A): | Aldehydes and ketones both react with Tollen’s reagent to form a silver mirror. |
Reason (R): | Both aldehydes and ketones contain a carbonyl group. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |