Benzaldehyde cannot be prepared by:
1. | |
2. | |
3. | |
4. |
The Clemmensen reduction of a ketone is carried out in the presence of:
1. - with
2.
3. and as a catalyst
4. Glycol with
The hydrogenation of benzoyl chloride in the presence of Pd and BaSO4 gives:
1. Benzyl alcohol
2. Benzaldehyde
3. Benzoic acid
4. Phenol
Alkaline hydrolysis of 'A' gives a compound (B) . 'B' on heating with NaOH and produces a yellow precipitate of .The compound (B) is:
1. | 2. | ||
3. | 4. |
HVZ reaction cannot be given by:
1. | Butyric acid | 2. | Acetic acid |
3. | Benzoic acid | 4. | Phenylacetic acid |
What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?
1. | 2. | ||
3. | 4. | None of these |
The compound that does not give an iodoform test is:
1. 3-Pentanone
2. 2-Pentanone
3. Ethanol
4. Ethanal
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
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 |
The compound on hydrolysis of 50% aqueous sodium hydroxide that produces the corresponding alcohol and acid is:
1.
2.
3.
4.