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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyanshu kumar Best Answer
Explanation: A gives racemic mixture since NMe2 and Br are trans diaxial hence NGP will operate and either of the two side attack is feasible giving rise to racemic product In B , Both group are axial and equatorial respectively so NGP will not operate and hence reaction follows SN2 pathway
option B is correct