Organic chemistry: Cyclic Hydrocarbons Quiz 7

written by gogorabei | June 10, 2023

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#1. (13) The ratio between the number of pi bonds to the number of sigma bonds between carbon atoms of benzene ring is.......

(a) 1:1

(a) 1:1

(b.) 1:2

(b.) 1:2

(c) 1:4

(c) 1:4

(d) 1:6

(d) 1:6

#2. (14) The fractional distillation of coal tar at 80: 82°C produces

(a) coal.

(a) coal.

(b) naphthalene.

(b) naphthalene.

(C) Aromatic benzene.

(C) Aromatic benzene.

(d) (a), (b) and (c)

(d) (a), (b) and (c)

#3. (15) The method of the preparation of benzene from normal hexane is called

(a) polymerization.

(a) polymerization.

(b) hydrogenation.

(b) hydrogenation.

(c) halogenation.

(c) halogenation.

(d) Catalytic reforming.

(d) Catalytic reforming.