Question

Lewis acid and base concept ​

Answer 1

the Lewis theory of acid-base reactions, bases donate pairs of electrons and acids accept pairs of electrons. A Lewis acid is therefore any substance, such as the H+ ion, that can accept a pair of nonbonding electrons. In other words, a Lewis acid is an electron-pair acceptor.

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Answer 2

lewis acid = a substance that can accept an electron pair to form coordinate covalent bond

ex:-BF3,BCl3 etc

lewis base = a substance that can donate an electron pair to form coordinate covalent bond

ex:-H2O,NH3 etc

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