A) peroxide
B) hydroquinone
C) diphenyl amine
D) all of these
Correct Answer: A
Solution :
The reaction occurs only in the presence of peroxides because hydroquinone and diphenyl amine, are in fact radical scavengers. \[\underset{isobutylene}{\mathop{C{{H}_{3}}-\overset{C{{H}_{3}}}{\mathop{\overset{\mathbf{|}}{\mathop{C}}\,}}\,=C{{H}_{2}}}}\,\xrightarrow[peroxide]{HBr}\underset{isobutyl\,bromide}{\mathop{C{{H}_{3}}-\overset{C{{H}_{3}}}{\mathop{\overset{\mathbf{|}}{\mathop{CH}}\,}}\,-C{{H}_{2}}Br}}\,\]
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