JEE Mains Chemistry Past PapershardMCQ SINGLE

Given below are two statements: Statement (I) : The radii of isoelctronic species increases in the oJEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are two statements: Statement (I) : The radii of isoelctronic species increases in the order. Mg2+ < Na+ < F– < O2–. Statement (II) : The magnitude of electron gain enthalpy of halogen decreases in the order. Cl > F > Br > I. In the light of the above statements, choose the most appropriate answer from the options given below: (A) Both statement I and Statement II are incorrect. (B) Both statement I and Statement II are correct. (C) Statement I is incorrect but Statement II is correct. (D) Statement I is correct but Statement II is incorrect

Answer: B

💡 Solution & Explanation

Mg2+ Na+ F– O2– e 10 10 p 11 8 For isoelectronic species as Nuclear charge decreases, size increases. Element CL F Br I |He.g| kJ/mol 328 295 | JEE(Main) 2025 | DATE : 29-01-2025 (SHIFT-1) | PAPER-1 | CHEMISTRY PAGE # 6

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