Question

`Cl-CH_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)-CH_(2)-Cl+l^(_) underset(DMF)to` product , major product of this reaction is :
A. `I-CH_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)-CH_(2)-Cl`
B. `CI-CH_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)-CH_(2)-I`
C. `H_(2)C=overset(CH_(3))overset(|)C-CH_(2)-CH_(2)=Cl`
D. `CI-CH_(2)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH_(2)=CH_(2)`

Answer 1

Correct Answer - b
(b) `S_(N^(2))` reaction is favourable at leasat crowded site .