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Consider the reaction

CH3CH2CH2Br + NaCN \rightarrow CH3CH2CH2CN + NaBr

This reaction will be the fastest in

  • Option 1)

    ethanol

  • Option 2)

    methanol

  • Option 3)

    N, N' -dimethylformamide (DMF)

  • Option 4)

    water

 

Answers (1)

best_answer

As we learnt in

SN2 Substitution Nucleophilic bimolecular -

These reactions proceed in only one step.

- wherein

 

 \underset{1^{o}Alkyl\ halide }{CH_{3}-CH_{2}-CH_{2}-Br}\xrightarrow{}{NacN}CH_{3}-CH_{2}-CN+NaBr

This reaction carried out in polar aprotic solvent. N, N-Dimethyl formanide is polar  aprotic Solvent.


Option 1)

ethanol

This is incorrect answer

Option 2)

methanol

This is incorrect answer

Option 3)

N, N' -dimethylformamide (DMF)

This is correct answer

Option 4)

water

This is incorrect answer

Posted by

Aadil

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