250+ TOP MCQs on Synthetic Organic Chemical – Bhc and Answers

Chemical Industry Multiple Choice Questions on “Synthetic Organic Chemical – Bhc”.

1. What are the raw materials needed for the manufacture of BHC?
a) Benzene+chlorine
b) Benzene+Bromine
c) Ethanol+Benzene
d) Benzene

Answer: a
Clarification: The raw materials for BHC manufacture are benzene and chlorine. Ethanol and benzene are used for the manufacture of DDT.

2. How is chlorination done in manufacture of BHC?
a) By Infrared rays
b) By UV light
c) By sulphur as catalyst
d) Adding NaOH

Answer: b
Clarification: The crux of the process involves the use of a source of free radicals such as ultraviolet light to produce an addition chlorination reaction.

3. Benzene and chlorine are passed in a tubular reactor during manufacture of BHC.
a) True
b) False

Answer: a
Clarification: Benzene and chlorine are passed into a cooled reactor containing a light well or through a tubular reactor with fluorescent lamp mounted on the axis in a protective tube.

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