Match List-I with List-II. List-I Complex List-II Primary valency and Secondary valency --- --- --- --- --- (A) [ Co ( en ) 2 Cl 2 ] Cl (I) 3 6 (B) [ Pt ( NH 3 ) 2 Cl ( NO 2 ) ] (II) 3 4 (C) Hg [ Co ( SCN ) 4 ] (III) 2 6 (D) [ Mg ( EDTA )] 2- (IV) 2 4 Choose the correct answer from the options given below:

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

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

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

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

Chemistry · Coordination Compounds

JEE Main 2025 — 7 April, Evening Shift — Question 17

Match List-I with List-II.

	List-I Complex		List-II Primary valency and Secondary valency
(A)	$\left[\mathrm{Co}(\mathrm{en})_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}$	(I)	3	6
(B)	$\left[\mathrm{Pt}\left(\mathrm{NH}_{3}\right)_{2} \mathrm{Cl}\left(\mathrm{NO}_{2}\right)\right]$	(II)	3	4
(C)	$\mathrm{Hg}\left[\mathrm{Co}(\mathrm{SCN})_{4}\right]$	(III)	2	6
(D)	$[\mathrm{Mg}(\mathrm{EDTA})]^{2-}$	(IV)	2	4

Choose the correct answer from the options given below:

		P.V	S.V
(A)	$\left[\mathrm{Co}(\mathrm{en})_{2} \mathrm{Cl}_{2}\right] \mathrm{Cl}$	3	6
(B)	$\left[\mathrm{Pt}\left(\mathrm{NH}{3}\right){2} \mathrm{Cl}\left(\mathrm{NO}_{2}\right)\right]	2	4
(C)	$\mathrm{Hg}\left[\mathrm{Co}(\mathrm{SCN})_{4}\right]$	3	4
(D)	$[\mathrm{Mg}(\text { (EDTA })]^{2-}$	2	6

Answer key and solution verified before publishing.

Start with this question, then two more from the same chapter — with a tutor that explains every step. Free.