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JEE CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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Assertion : Ionisation potential of Li+\mathrm{Li}^{+} is greater than He\mathrm{He}.

Reason : Zeff\mathrm{Z}_{\text {eff}} of Li+\mathrm{Li}^{+} is greater than He\mathrm{He}.
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Correct option: A
If both Assertion & Reason are True & the Reason is correct explanation of the Assertion
Option A is correct because both the assertion and the reason are true, and the reason is the correct explanation of the assertion. Li+ has a higher effective nuclear charge than He, leading to a higher ionization potential.

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