1.

Consider the following reaction : C_(6)H_(5)-underset((R))underset(H) underset(|)overset(CH_(3)) overset(|)C-Cl+C_(2)H_(5)overset(o+)OtoC_(2)H_(5)O-underset(100% (S)"form") underset(H)underset(|)overset(CH_(3))overset(|)C-C_(5)H_(5) Which statement is not correct ?

Answer»

`S_(N)2` reaction is first ORDER with respect to the substrate and first order with respect to nucleophile
Presence of hetero atom at `ALPHA` carbon increases the reactivity of substrate
Presence of electron withdrawing group at `alpha`- carbon decreases reactivity
Presence of `PI` bond on `alpha` carbon decreases reactivity of substrate

Answer :C


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