Organic chemistry Quiz 11:Chemical properties of alcohols and Detection of phenol.

written by gogorabei | June 12, 2023

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التالي

#1. Choose the alphabetical letter which represents the correct answer to each of the following sentences: (1) The hydroxyl group in the aliphatic alcohols is ……….

(a) ionized and reacts with alkalis

(a) ionized and reacts with alkalis

(b) Polar and Reacts with active metal

(b) Polar and Reacts with active metal

(c) ionized and has a strong acidic character.

(c) ionized and has a strong acidic character.

(d) ionized and has a limited activity

(d) ionized and has a limited activity

#2. (2) In esterification………….. is separated from the organic acid

(a)-OH Group

(a)-OH Group

(b) H atom

(b) H atom

(c)-COO-group

(c)-COO-group

(d)-CH3 group

(d)-CH3 group

#3. 3) On heating ethanol with sulphuric acid up to 140°C. ……… is formed

(a) ethyl hydrogen sulphate

(a) ethyl hydrogen sulphate

(b) Ethene

(b) Ethene

(c) diethyl ether

(c) diethyl ether

(d) ethylene glycol

(d) ethylene glycol