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Problem
Problem
Magnesium cation has polarising power close to that of : a.
Li
+
\text{Li}^+
Li
+
b.
Na
+
\text{Na}^+
Na
+
c.
K
+
\text{K}^+
K
+
d.
Cs
+
\text{Cs}^+
Cs
+
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