Question

The decreasing order of rate of SN²reaction is
given ​

Answer 1

${ \ Answer}$

$<p style="color:cyan;font-family:cursive;background:black;font-size25px;">The order of reactivity of alkyl halide towards SN² reaction is just opposite to that of SN¹ Structure ll has most unstable carbocation. </p><p></p><p>So,the order is ll>l>lV>lll (Option 3)$

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