See image — AITS & Test Series Chemistry Question
Question
See image
Answer: C
💡 Solution & Explanation
(A, B, D) colour dissapers if a reactant added removes 3 Fe or SCN . Ag SCN AgSCN 2 2 Hg 2SCN Hg SCN 3 2 3 2 4 2 4 3 C O Fe Fe C O
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