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Question

Chemistry Question on Electronic Configurations Of Elements And The Periodic Table

Match List I with List II match Choose the correct answer from the options given below :

A

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

B

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

C

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

D

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

Answer

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

Explanation

Solution

[Cr(H2O)6]3+ contains Cr3+:[Ar]3d3t2g3eg0[\text{Cr(H}_2\text{O)}_6]^{3+} \text{ contains } \text{Cr}^{3+}: [\text{Ar}]3d^3 \cdot t_{2g}^3 e_g^0

[Fe(H2O)6]3+ contains Fe3+:[Ar]3d5t2g3eg2[\text{Fe(H}_2\text{O)}_6]^{3+} \text{ contains } \text{Fe}^{3+}: [\text{Ar}]3d^5 \cdot t_{2g}^3 e_g^2

[Ni(H2O)6]2+ contains Ni2+:[Ar]3d8t2g6eg2[\text{Ni(H}_2\text{O)}_6]^{2+} \text{ contains } \text{Ni}^{2+}: [\text{Ar}]3d^8 \cdot t_{2g}^6 e_g^2

[V(H2O)6]3+ contains V3+:[Ar]3d2t2g2eg0[\text{V(H}_2\text{O)}_6]^{3+} \text{ contains } \text{V}^{3+}: [\text{Ar}]3d^2 \cdot t_{2g}^2 e_g^0