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Chemistry · Coordination Compounds

JEE Main 2024 — 31 January, Shift 2 — Question 58

Match List I with List II

LIST - I (Complex ion)LIST - II (Electronic Configuration)
A.[Cr(H2O)6]3+{{\left[ \text{Cr}{{\left( {{\text{H}}_{2}}\text{O} \right)}_{6}} \right]}^{3+}}I.t2  ⁣ ⁣  ⁣ ⁣ g 2egg0{{\text{t}}_{2\text{ }\!\!~\!\!\text{ g}}}{{~}^{2}}\text{eg}_{\text{g}}^{0}
B.[Fe(H2O)6]3+{{\left[ \text{Fe}{{\left( {{\text{H}}_{2}}\text{O} \right)}_{6}} \right]}^{3+}}II.t2  ⁣ ⁣  ⁣ ⁣ g 3eg0{{\text{t}}_{2\text{ }\!\!~\!\!\text{ g}}}{{~}^{3}}\text{e}{{\text{g}}^{0}}
C.[Ni(H2O)6]2+{{\left[ \text{Ni}{{\left( {{\text{H}}_{2}}\text{O} \right)}_{6}} \right]}^{2+}}III.t2  ⁣ ⁣  ⁣ ⁣ g 3eg2{{\text{t}}_{2\text{ }\!\!~\!\!\text{ g}}}{{~}^{3}}\text{e}{{\text{g}}^{2}}
D.[V(H2O)6]3+{{\left[ \text{V}{{\left( {{\text{H}}_{2}}\text{O} \right)}_{6}} \right]}^{3+}}IV.t2  ⁣ ⁣  ⁣ ⁣ g 6eg2{{\text{t}}_{2\text{ }\!\!~\!\!\text{ g}}}{{~}^{6}}\text{e}{{\text{g}}^{2}}

Choose the correct answer from the options given below :

  1. Option A:

    A-III, B-II, C-IV, D-I

  2. Option B:

    A-IV, B-I, C-II, D-III

  3. Option C:

    A-IV, B-III, C-I, D-II

  4. Option D:

    A-II, B-III, C-IV, D-I

    Correct

Answer: D

Step-by-step solution

[Cr(H2O)6]3+\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+} Contains Cr3+:[Ar]3 d3:t2 g3ego\mathrm{Cr}^{3+}:[\mathrm{Ar}] 3 \mathrm{~d}^{3}: \mathrm{t}_{2 \mathrm{~g}}^{3} \mathrm{e}_{\mathrm{g}}^{\mathrm{o}}

[Fe(H2O)6]3+\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+} Contains Fe3+:[Ar]3 d5:t2 g3eg2\mathrm{Fe}^{3+}:[\mathrm{Ar}] 3 \mathrm{~d}^{5}: t_{2 \mathrm{~g}}^{3} e_{\mathrm{g}}^{2}

[Ni(H2O)6]2+\left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+} Contains Ni2+:[Ar]3 d8:t2 g6eg2\mathrm{Ni}^{2+}:[\mathrm{Ar}] 3 \mathrm{~d}^{8}: t_{2 \mathrm{~g}}^{6} \mathrm{e}_{\mathrm{g}}^{2}

[V(H2O)6]3+\left[\mathrm{V}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+} Contains V3+:[Ar]3dd2:t2 g2egg0\mathrm{V}^{3+}:[\mathrm{Ar}] 3 \mathrm{dd}^{2}: \mathrm{t}_{2 \mathrm{~g}}^{2} \mathrm{eg}_{\mathrm{g}}^{0}

Answer key and solution verified before publishing.

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Exam
JEE Main 2024
Paper
31 January, Shift 2
Subject
Chemistry
Chapter
Coordination Compounds
Topic
Properties and importance of Coordination Complexes

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