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Which of the following statements regarding free radical halogenation of alkane is not true?
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By Expert Faculty of Sri Chaitanya
a
Hydrogen abstraction by halogen radical in the propagation step is exothermic in both chlorination and bromination.
b
Hydrogen abstraction by halogen radical in propagation step is exothermic in chlorination but endothermic in bromination.
c
A single halogen radical may bring about halogenation of thousands of alkane molecules
d
Continuous source of energy is required to continue the free radical halogenation reaction.
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Correct option is B
Propagation is exothermic in chlorination but endothermic in bromination.it can seen from energy profile diagrams .
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