12
MCQ (Single Correct Answer)
In Clemmensen reduction, carbonyl compound is treated with ........... .
A
zinc amalgam +HCl
B
sodium amalgam +HCl
C
zinc amalgam + nitric acid
D
sodium amalgam $+\mathrm{HNO}_3$
13
MCQ (Multiple Correct Answer)
Which of the following compounds do not undergo aldol condensation?
A
$\mathrm{CH}_3-\mathrm{CHO}$
B

C

D

14
MCQ (Multiple Correct Answer)
Treatment of compound with NaOH solution yields
A
phenol
B
sodium phenoxide
C
sodium benzoate
D
benzophenone
15
MCQ (Multiple Correct Answer)
Which of the following conversions can be carried out by Clemmensen reduction?
A
Benzaldehyde into benzyl alcohol
B
Cyclohexanone into cyclohexane
C
Benzoyl chloride into benzaldehyde
D
Benzophenone into diphenyl methane
16
MCQ (Multiple Correct Answer)
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