Question

Two elements X and Y combine to form a compound XY. Under what conditions the bond formed between them will be ionic ?
A. If the difference in electronegativities of X and Y is 1.7.
B. If the difference in electronegativities of X and Y is more than 1.7.
C. If the difference in electronegativities of X and Y is less than 1.7.
D. If both X and Y are highly electronegative.

Answer 1

Correct Answer - B
For the formation of an ionic bond, the electronegativies of two atoms should differ by more than `1.7`.