The correct order of Lewis acid strength is _____.?

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The correct order of Lewis acid strength is _____.?

The correct order of Lewis acid strength is _____.
A) BCl3 > BF3
B) Fe3+ < Fe2+
C) Ag > Ag+
D) BF3 > BCl3

2006-09-25 15:49:05 · 1 answers · asked by axcryingxshame 1 in Science & Mathematics ➔ Chemistry

1 answers

D. BF3 is a stronger Lewis acid than BCl3 is. The highly electronegative fluorines on BF3 pull the B-F bonds towards themselves, making the boron much more electrophilic than it would be in BCl3.

In the cases of B and C, the species with the higher charge would be the stronger Lewis acid.

2006-09-25 15:53:00 · answer #1 · answered by TheOnlyBeldin 7 · 1⤊ 0⤋