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JEE Main 2026 Chemistry question

ChemistryClassification of Elements and Periodicity in PropertiesJEE Main 2026

Given below are two statements : Statement I: The second ionisation enthalpy of Na is larger than the corresponding ionisation enthalpy of Mg. Statement II : The ionic radius of is larger than that of . In the light of the above statements, choose the correct answer from the options given below.

Answer: 1

Solution

(fully filled electronic configuration) $Mg^{+}:-1 ~s^{2} 2

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Question ID VK-001354