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Which of the following hydrogen halides ...

Which of the following hydrogen halides is the most difficult to add to the double bond of alkenes ?

A

`HI`

B

`HBr`

C

`HCl`

D

`HF`

Text Solution

Verified by Experts

The correct Answer is:
D
During addition, hydrogen halide provides a proton `(H^(+))` as an electrophile. Thus, the order of reactively is related to the order of acid strength:
`HI gt HBr gt HCl gt HF`
`HI` being the most acidic is the most reactive. Moreover, `I^(-)` is the strongest nucleophile while `F^(-)` is the weakest nucleophile.
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Knowledge Check

  • Which of the following hydrogen halide is most basic ?

    A
    HF
    B
    HCl
    C
    HBr
    D
    HI

  • Which of the following hydrogen halide is most volatile.

    A
    HCl
    B
    HF
    C
    HI
    D
    HBr

  • Which of the following hydrogen halide is most volatile?

    A
    `HCL`
    B
    `HF`
    C
    `HI`
    D
    `HBr`

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