Which of the following statements is not characteristic of free radical chain reactions?
Options:
A .  
It gives the major product from the most stable free radical
B .  
It is usually sensitive to a change in solvent polarity
C .  
It proceeds in three main steps - initiation, propagation and termination
D .  
It may be initiated by U.V. light
Answer: Option B : B A free-radical reaction is any chemical reaction involving free radicals. The major product is based on the most stable free radical. These reactions usually involve 3 major steps: chain initiation, chain propagation and chain termination. These are usually initiated by U.V light or other light sources which have enough energy to initiate the reaction.
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