The charge/size ratio of a cation determines its polarising power. Which one of the following sequences represents the increasing order of the polarising power of cationic species?

[ $K^{+}, C a^{2 +}, M g^{2 +}, B e^{2 +}$ ]

M g^{2 +} < B e^{2 +} < K^{+} < C a^{2 +}

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B e^{2 +} < K^{+} < C a^{2 +} < M g^{2 +}

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K^{+} < C a^{2 +} < M g^{2 +} < B e^{2 +}

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C a^{2 +} < M g^{2 +} < B e^{2 +} < K^{+}

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Solution

The correct option is D $K^{+} < C a^{2 +} < M g^{2 +} < B e^{2 +}$
From figure it can be seen that order is $K^{+} < C a^{2 +} < M g^{2 +} < B e^{2 +}$ .

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

The correct option is D K+<Ca2+<Mg2+<Be2+From figure it can be seen that order is K+<Ca2+<Mg2+<Be2+.

The charge/size ratio of a cation determines its polarising power. Which one of the following sequences represents the increasing order of the polarising power of cationic species?

[ $K^{+}, C a^{2 +}, M g^{2 +}, B e^{2 +}$ ]

The correct option is D $K^{+} < C a^{2 +} < M g^{2 +} < B e^{2 +}$
From figure it can be seen that order is $K^{+} < C a^{2 +} < M g^{2 +} < B e^{2 +}$ .