Is #"F"^(-)# a Lewis acid?

1 Answer
Shulgin · Truong-Son N.
Mar 27, 2018

No it's a base

Explanation:

So for a compound to be a lewis acid it has to be able to accept a lone pair of electrons (electron-pair acceptor) for instance #H^+# and #NH_4^+#. So these compounds are able to release a proton #(H^+)# as a Bronsted-Lowry acid.

A lewis base is a substance that can donate a lone pair of electrons (electron-pair donor). For instance #OH^-# and #F^-#.

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