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Q.

The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the cationic species,K+,Ca2+,Mg2+,Be2+

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a

Mg2+

b

Be2+

c

K+

d

Ca2+

answer is C.

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Detailed Solution

Higher the charge/size ratio, more is the polarizing power.K+
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