Q.
Consider the reaction,CH3CH2CH2Br+NaCN→CH3CH2CH2CN+NaBrThis reaction will be the fastest in
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a
ethanol water.
b
methanol
c
N,N' -dimethylformamide (DMF)
d
water
answer is C.
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Detailed Solution
The reaction,CH3CH2CH2Br+NaCN→CH3CH2CH2CN+NaBr follows SN2 mechanism which is favoured by polar aprotic solvent i.e., N,N'- dimethylformamide (DMF). moreover no rearrangement is observed, it is SN2 mechanism
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