Aldehydes, Ketones and Carboxylic Acids Quiz 5

Question 1

The organic compounds A and B reacts with sodium metal and liberates hydrogen gas. A and B reacts together to give ethyl acetate. The A and B are

Accepted Answer

$CH_3COOH \ and \ C_2H_5OH$

Answer

$HCOOH \ and \ C_2 H_5OH$

Answer

$CH_3COOH \ and \ HCOOH$

Answer

$CH_3COOH \ and \ CH_3OH$

Question 2

Which one of the following undergoes reaction with 50% NaOH to give to corresponding alcohol and acid?

Accepted Answer

Benzaldehyde

Answer

Phenol

Answer

Benzoic acid

Answer

Butanal

Question 3

Ethyl benzoate when heated with dil $H_2SO_4$ gives

Accepted Answer

benzoic acid

Answer

acetic acid

Answer

ethanoic acid

Answer

phenyl methanol

Question 4

Margarine contains

Accepted Answer

butyraldehyde

Answer

acetaldehyde

Answer

propionaldehyde

Answer

formaldehyde

Question 5

Monocarboxylic acids have the general formula

Accepted Answer

$C_nH_{2n} O_2$

Answer

$C_2H_{2n+1} O_2$

Answer

$C_nH_{2n} O$

Answer

$C_nH_{2n-1} O_2$

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