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Question

Mg and Li are similar in their properties due to:

A
Same e /m ratio
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B
Same electron affinity
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C
Same group
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D
Same polarising powder
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Solution

The correct option is D Same polarising powder
1.The correct option is D. They have same polarising power.
2. Mg and Li have similar properties due to diagonal relationship. They behave similarly due to same
polarising power which depends on the ratio of ionic charge to ionic radius, in short they have same
ionic potential.
3.Ionic Potential = Ionic Charge / Ionic radius.

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