Organic chemistry Quiz 13: Carboxylic Acids

written by gogorabei | June 14, 2023

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#1. (13) Effervescence occurs on testing a sample of ethanol (was left for a period of time exposed to air) by a sodium carbonate solution, this refers to …..

(a) fermentation of alcohol.

(a) fermentation of alcohol.

(b) Oxidation of alcohol with atmospheric oxygen.

(b) Oxidation of alcohol with atmospheric oxygen.

(c) hydrolysis of alcohol by the atmospheric water vapour.

(c) hydrolysis of alcohol by the atmospheric water vapour.

(d) all the previous

(d) all the previous

#2. (14) The similar acidic properties of both acetic acid and benzoic acid are related to

(a) their reaction with both of alkalis and non-metallic oxides.

(a) their reaction with both of alkalis and non-metallic oxides.

(b) The presence of the Carboxylic group in both of them.

(b) The presence of the Carboxylic group in both of them.

(c) they are aromatic acids.

(c) they are aromatic acids.

(d) they are organic compounds

(d) they are organic compounds

#3. (15) Toluene is oxidized by vanadium pentoxide at 400°C giving

(a) benzene.

(a) benzene.

(b) benzaldehyde.

(b) benzaldehyde.

(c) Benzoic acid.

(c) Benzoic acid.

(d) vanadium benzoate

(d) vanadium benzoate