Match the List-I with List-II and choose the correct answer from the options given below : List-I List-II --- --- --- --- (A) A l 3+ < M g 2+ < N a + < F - (I) Ionisation Enthalpy (B) B < C < O < N (II) Metallic character (C) B < Al < Mg < K (III) Electronegativity (D) Si < P < S < Cl (IV) Ionic radii

Chemistry · Periodicity of Elements and Periodic Properties

JEE Main 2025 — 22 January, Morning Shift — Question 31

Match the List-I with List-II and choose the correct answer from the options given below :

List-I	List-II
(A)	$\text{A}{{\text{l}}^{3+}}<\text{M}{{\text{g}}^{2+}}<\text{N}{{\text{a}}^{+}}<{{\text{F}}^{-}}$	(I)	Ionisation Enthalpy
(B)	$\text{B}<\text{C}<\text{O}<\text{N}$	(II)	Metallic character
(C)	$\text{B}<\text{Al}<\text{Mg}<\text{K}$	(III)	Electronegativity
(D)	$\text{Si}<\text{P}<\text{S}<\text{Cl}$	(IV)	Ionic radii

The trends corresponding to each sequence are:

\mathrm{Al^{3+} < Mg^{2+} < Na^{+} < F^{-}} \rightarrow \text{ionic\ radii}

\mathrm{B < C < O < N} \rightarrow \text{ionisation\ enthalpy}

\mathrm{B < Al < Mg < K} \rightarrow \text{metallic\ character}

\mathrm{Si < P < S < Cl} \rightarrow \text{electronegativity}

Thus, the correct matching is $A \rightarrow IV,\quad B \rightarrow I,\quad C \rightarrow II,\quad D \rightarrow III$ .

Thus, the correct answer is Option C.

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Exam: JEE Main 2025
Paper: 22 January, Morning Shift
Subject: Chemistry
Chapter: Periodicity of Elements and Periodic Properties
Topic: Periodicity in Chemical Properties (Ionization Energy, Electron Affinity, Electronegativity)