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Question

Among the following free radical bromination reactions, select those in which 2 halide is the major product
989106_8724f21b495349fca893029e98f4f167.png
  1. P, Q, R, S
  2. P, R, U
  3. P, R, S, T
  4. P, Q, R, S, T

A
P, R, U
B
P, Q, R, S
C
P, Q, R, S, T
D
P, R, S, T
Solution
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Solution:- (B) P, R, U
Bromine is more selective.
Q,S,T form 3° halide as major and P,R,U form 2° halide as major.

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