1.

The correct sequence which shows decreasing order of the ionic radii of the elements is:a) Na+ > F- > Mg2+ > O2- > Al3+(b) O2- > F > Na+ > Mg2+ > Al3+ (c) Al3+ > Mg2+ > Na+ > F > O2-(d) Na+ > Mg2+ > Al3+ > O2- > F-

Answer»

Correct option is (c) Al3+ > Mg2+ > Na+ > F > O2-



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