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The s-block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe s-block Elements1 Mark
Question
When is a cation highly polarising? Which alkali metal has highest polarising power?
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Answer

Smaller the cation, higher the charge, high will be the polarising power. $\text{Li}^+$ has highest polarising power in group 1 due to smallest size.

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