Free Radical Substitution MCQ Analysis

Free Radical Substitution MCQ

This MCQ is about free radical substitution, be sure to read up before looking at the solution!

Which of the following is a possible product in the reaction between cyclohexane and bromine with UV light?

Free Radical Substitution

Analysis:  The common answer dicyclohexane isn’t one of the given options. So we will have to choose from the above options.

dicyclohexane

 

 

 

 

 

Solution:

A: Note that this option has a total of 14 carbon atoms, not 18. The cyclohexane radicals all has 6 carbon atoms so the products should be in multiples of 6.

B: Similarly, this option has a total of 13 carbon atoms, not 18.

C: This option has 16 carbon atoms.

D: This option has 18 carbon atoms and is the correct answer! Do remember that cyclohexane can undergo multiple abstraction of H atom by the bromine radical.

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