In Column-1 cation are given while in Column-2 reagent are given which is used for test and in Column-3 observation are given. [Consider each solution to be aqueous unless stated.]Column-1Column-2Column-3(I)Bi3+(i)NH3(P)Black / white precipitate is obtained.(II)Cu2+(ii)KI(Q)Blue / Brown precipitate is obtained.(III)Fe3+(iii)KCN(R)Form soluble complex in excess reagent.(IV)Zn2+(iv)K4[Fe(CN)6](S)Redox reaction take place. (i) The only incorrect combination is:

In Column-1 cation are given while in Column-2 reagent are …

Chemistry Enviromental Chemistry ( Not In Syllabus ) General Matrix Match Questions

Published on: August 11, 2026

In Column-1 cation are given while in Column-2 reagent are given which is used for test and in Column-3 observation are given. [Consider each solution to be aqueous unless stated.]
Column-1	Column-2	Column-3
(I)	Bi3+	(i)	NH3	(P)	Black / white precipitate is obtained.
(II)	Cu2+	(ii)	KI	(Q)	Blue / Brown precipitate is obtained.
(III)	Fe3+	(iii)	KCN	(R)	Form soluble complex in excess reagent.
(IV)	Zn2+	(iv)	K4[Fe(CN)6]	(S)	Redox reaction take place.

(i) The only incorrect combination is:

Correct Matrix Matching

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The correct answer is:

(i) (ii); (iii) (iv)

(i)c (ii)d (iii)b

Sol.

(i)

(ii)

(iii)

(iv)

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