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Why BF3 acts as Lewis acid ???

it can acept a pai of electron to complete it's octet of 8 electrons

A Lewis acid can accept a pair of electrons from a Lewis base

The boron in BF3 is electron poor and has an empty orbital, so it can accept a pair of electrons, making it a Lewis acid

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A Lewis acid can accept a pair of electrons from a Lewis base (not a proton, this is Bronsted-Lowry!). The boron in BF3 is electron poor and has an empty orbital, so it can accept a pair of electrons, making it a Lewis acid.

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Thank you...:)

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bf3 is a lewis acid which means it's  an acceptor of electrons frm th lewis bases to complete it's octet.

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bf3 is a lewis acid which means it's  an acceptor of electrons frm th lewis bases to complete it's octet.

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