Question #86a6f

1 Answer
Saliha
Nov 17, 2017

Because first step of #S_N1# reaction involves breakage of covalent bond.

Explanation:

This process requires time because to break the covalent bond or to overcome the attractive forces between the atoms sharing their electrons' pairs in order to gain stability, much of the energy should be supplied.
That's why the first step is slow and hence is rate-determining step.
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Hope it helps...

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