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All Lewis acids are not Bronsted acids. ...

All Lewis acids are not Bronsted acids. Why?

Text Solution

Verified by Experts

A Lewis acid is that which accept a lone pair of electrons.
Eg: `BF_(3)` can accept a lone pair.
A Bronsted acid is that which donate a proton. Eg. : HCl. So Lewis acids may not contain proton but can accept lone pair. Hence all Lewis acids are not Bronsted acids.
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Knowledge Check

  • Which of the following is the strongest Bronsted acid ?

    A
    B
    C
    D

  • Which of the following is a Bronsted acid but not a Bronsted base ?

    A
    `H_(2)O`
    B
    `NH_(3)`
    C
    `H_(2)S`
    D
    `CHO_(3)^(-)`

  • Which of the following can act as Lowry -Bronsted acid as well as base?

    A
    ` HCl `
    B
    ` SO_4^(2-)`
    C
    ` HPO_4^(2-) `
    D
    ` Br^(-) `

    • Similar Questions

    Explore conceptually related problems

    Any species capable of accepting a lone pair of electrons acts as a lewis acid, where as a species capable of donating a proton acts as a Bronstead acid. Which of the following can act as a lewis acid as well as a lewis base ?

    Which of the following can act as Lowry-Bronsted acid as well as base?

    Any species capable of accepting a lone pair of electrons acts as a lewis acid, where as a species capable of donating a proton acts as a Bronstead acid. Which of the following is not a lewis acid ?

    Which of the following can act both as Bronsted acid and Bronsted base? (i) HCO_(3)^(-) (ii) NH_(3) (iii) O^(2-) (iv) HCl

    Which of the following species formed in acid base reactions can act as Bronsted buses as well as Bronsted acids?

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