Published by:
CGP EDU Academic Team
Published on: August 12, 2026
Which reagent will carry out the following reaction?
A
/UV light B
C
gas in dark. D
gas in the presence of iron in dark.
Text Solution
Verified by ExpertsThe correct answer is:
A
The given reaction is a substitution reaction. It involve the replacement of 
and 
hydrogen
of alkanes by chlorine. It occurs in the presence of ultraviolet light or at high temperature.
The chlorination does not occur at room temperature (in absence of light). In this reaction, light is absorbed by chlorine molecule and activated chlorine initiates the reaction as follows
Step 1 
Step 2 
Step 3 
Similarly, second product is formed.
So, option is the correct.
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