Jrodriguez98c Jrodriguez98c

20-02-2018
Chemistry

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A Lewis acid is a substance that can _____.

accept a hydrogen ion

donate a pair of electrons

donate a hydrogen ion

accept a pair of electrons

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Dejanras Dejanras

01-03-2018

A Lewis acid is a substance that can accept a pair of electrons.
A Lewis acid is a substance that contains an empty orbital which can accept an electron pair from a Lewis base.
For example boron trifluoride (BF₃) is trigonal planar molecule and can bind with Lewis base ammonia (NH₃). Other examples are metal cations, acidic compounds hydronium ions.

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