The outgoing nucleophile does not leave the reactant and therefore, attack is mainly from backside .
When chlorobenzene is treated with NaNH2 in liquid ammonia at 196K, aniline is formed. This reaction takes place by
Reaction of C6H5CH2Br with aqueous sodium hydroxide follows ........
(a) SN1 mechanism
(b) SN2 mechanism
(c) Any of the above two depending upon the temperature of reaction
(d) Saytzeff rule