Amongst the given options,which of the follow | vedclass

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(D) Lewis acids are species that accept a lone pair of electrons due to the presence of a vacant orbital in their outermost shell.$H_{2}\ddot{O}:$ act

Vedclass · Accepted Answer

$BF_{3}$

Vedclass · Answer

(D) Lewis acids are species that accept a lone pair of electrons due to the presence of a vacant orbital in their outermost shell.$H_{2}\ddot{O}:$ acts as a Lewis base because it has lone pairs on the oxygen atom.$BF_{3}$ acts as a Lewis acid because the boron atom has an incomplete octet (only $6$ electrons in its valence shell) and can accept a lone pair.$OH^{-}$ acts as a Lewis base due to the presence of lone pairs on the oxygen atom.$\ddot{N}H_{3}$ acts as a Lewis base because the nitrogen atom has a lone pair of electrons available for donation.

Amongst the given options,which of the following molecules/ions acts as a Lewis acid?

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