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Choose the incorrect statement about the...

Choose the incorrect statement about the following two reactions
(i) `CH_(3)-underset(underset(H)(|))overset(overset(H)(|))(C )-H + * Cl rarr CH_(3) - underset(underset(H)(|))overset(overset(H)(|))(C )* + H-Cl " "DeltaH^(@)= -2` kcal/mol
(ii) `CH_(3)-underset(underset(H)(|))overset(overset(H)(|))(C )-H + * Br rarr CH_(3)- underset(underset(H)(|))overset(overset(H)(|))(C )* + H-Br" " DeltaH^(@)= +13` kcal/mol

A

Reaction (i) would be expected to be faster than reaction (ii)

B

According to Hammound's postulate the transition state of reaction (ii) resembles the product

C

According to Hammound's postulate the transition state of reaction (i) resembles the reactant

D

The `C-H` bond of reaction (ii) is completely broken in the transition state.

Text Solution

Verified by Experts

The correct Answer is:
D
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