LIST-I contains metal species and LIST-II contains their properties. LIST-I LIST-II (I) $[ {\Cr}( {\CN})_6]^{4-}$ (P) $t_{2 {\g}}$ orbitals contain 4 electrons (II) $[ {\RuCl}_6]^{2-}$ (Q) $\mu$ (spin-only) $=4.9 {\BM}$ (III) $[ {\Cr}({\H}_2 {\O})_6]^{2+}$ (R) low spin complex ion (IV) $[ {\Fe}( {\H}_2 {\O})_6]^{2+}$ (S) metal ion in $4+$ oxidation state (T) $d^4$ species [Given : Atomic number of ${\Cr}=24, {\Ru}=44, {\Fe}=26$ ] Metal each metal species in LIST-I with their properties in LIST-II, and choose the correct option [JEE Adv 2022 P1]

Correct Answer is : (A) I → R, T; II → P, S; III → Q, T; IV → P, Q

(A) I $\to$ R, T; II $\to$ P, S; III $\to$ Q, T; IV $\to$ P, Q

(B) I $\to$ R, S; II $\to$ P, T; III $\to$ P, Q; IV $\to$ Q, T

(C) ${\I} \to {\P}, {\R} ; {\II} \to {\R}, {\S} ; {\III} \to {\R}, {\T} ; {\IV} \to {\P}, {\T}$

(D) I $\to$ Q, T; II $\to$ S, T; III $\to$ P, T; IV $\to$ Q, R

Test Index

JEE Advanced 2022 Paper 1

Section: Chemistry

Question : 53

Total: 54

LIST-I	LIST-II
(I) [Cr(CN)6]4−	(P) t2g orbitals contain 4 electrons
(II) [RuCl6]2−	(Q) µ (spin-only) =4.9‌BM
(III) [Cr(H2O)6]2+	(R) low spin complex ion
(IV) [Fe(H2O)6]2+	(S) metal ion in 4+ oxidation state
	(T) d4 species

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