Engineering Questions with Answers - Multiple Choice Questions
Chemical Industry MCQ’s – Synthetic Organic Chemical – Bhc
1 - Question
What are the raw materials needed for the manufacture of BHC?
a) Benzene+chlorine
b) Benzene+Bromine
c) Ethanol+Benzene
d) Benzene
View Answer
Explanation: The raw materials for BHC manufacture are benzene and chlorine. Ethanol and benzene are used for the manufacture of DDT.
2 - Question
How is chlorination done in manufacture of BHC?
a) By Infrared rays
b) By UV light
c) By sulphur as catalyst
d) Adding NaOH
View Answer
Explanation: 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 - Question
Benzene and chlorine are passed in a tubular reactor during manufacture of BHC.
a) True
b) False
View Answer
Explanation: 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.