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Question

Question: Which of the following is the smallest cation....

Which of the following is the smallest cation.

A

Na+Na^{+}

B

Mg+2Mg^{+ 2}

C

Ca+2Ca^{+ 2}

D

Al+3Al^{+ 3}

Answer

Al+3Al^{+ 3}

Explanation

Solution

Ca+2> 6muNa+ 6mu> 6muMg+2 6mu> 6muAl+3Ca^{+ 2} > \mspace{6mu} Na^{+}\mspace{6mu} > \mspace{6mu} Mg^{+ 2}\mspace{6mu} > \mspace{6mu} Al^{+ 3}