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Atomic Radius

Assertion :Th...

Question

Assertion :The size decreases as $P b > {P b}^{2 +} > {P b}^{4 +}$ . Reason: The nuclear charge increases,i.e., the force of attraction towards nucleus increases.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
As the nuclear charge increases, the force of attraction experienced by the electrons from the nucleus increases. Thereby, leading to a decrease in the size of the ions.

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Choose the correct option.

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