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Which of the following are SN^2 reactio...

Which of the following are `S_N^2` reactions?

A

B

C

`Et - I + EtONa to Et - O - Et + NaI`

D

`Et - Cl + NaOH to EtOH + NaCl`

Text Solution

Verified by Experts

The correct Answer is:
C, D
`1^@C`RX undergoes `SN^2` reaction.
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Knowledge Check

  • Paragraph II S_N2 reaction is a bimolecular reaction which takes place by the formation of transition state. Velocity of the reaction depends on the concentration of the substrate as well as the nucleophile. The reaction is favoured by strong nucleophile, and in the presence of polar aprotic solvent, optically active halides give Walden inversion by S_N2 mechanism. The presence ofhetro group (atom) at beta -C atom,unsaturation at beta -C,and (-overset(O)overset(||)(C)-) group at alpha - C atom favour S_N2 mechanism. Allyl halides and benzyl halides give S_N1 and S_N2 reactions .Allyl halides also give S_N2 mechanism. EWG at ortho- and para-positions in benzyl halides favours S_N1 mechanism, whereas EDG favour S_N2 mechanism. Which of the following will give S_N2 reaction?

    A
    I and II
    B
    I and Ill
    C
    I, II and Ill
    D
    All

  • Which of the following shows S N^2 reaction most readily : F F F F

    A
    F
    B
    F
    C
    F
    D
    F

  • Which of the following cannot show S_N1 reaction?

    A
    B
    C
    D

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