Which of the following has a high polarising power

Mg²⁺

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Al³⁺

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Na⁺

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Ca²⁺

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Solution

The correct option is B
Al³⁺

Greater the charge of cation more will be its polarising power (according to Fajan's rule).

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Similar questions

Q. Which has maximum polarising power?

Which of the following are the correct reasons for anomalous bhaviour of lithium?
(a) Exceptionally small size of its atom
(b) Its high polarising power
(c) It has the high degree of hydration
(d) Exceptionally low the enthalpy

Q. Which has maximum polarising power in cation?

C u^{2 +}

has a stronger polarising power than that of

C a^{2 +}

because :

Q. 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 +}

]

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Which of the following has a high polarising power

The correct option is B Al3+ Greater the charge of cation more will be its polarising power (according to Fajan's rule).

The correct option is B
Al³⁺

Greater the charge of cation more will be its polarising power (according to Fajan's rule).