Consider the reaction CH3CH2CH2Br+NaCN→CH3CH2CH2CN+NaBr
This reaction will be the fastest in:
A
N,N-dimethylformamide (DMF)
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B
water
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C
ethanol
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D
methanol
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Solution
The correct option is A N,N-dimethylformamide (DMF) CH3CH2CH2Br+NaCN→CH3CH2CH2CN+NaBr
This reaction follows the SN2 pathway, which is favoured by polar aprotic solvents like DMF, DMSO, etc.
DMF(Dimethyl formamide)