When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium. a dark brown ring was formed whereas on treatment with neutral FeCl3. it gave

Question

When a solution of mixture having two inorganic salts was treated with freshly prepared ferrous sulphate in acidic medium. a dark brown ring was formed whereas on treatment with neutral FeCl3. it gave deep red colour which disppeared on boiling and a brown red ppt was formed. The mixture contains

(A) C2O42– & NO3–
(B) SO32– & C2O42–
(C) CH3COO– & NO3–
(D) SO32– & CH3COO–

Prashant Kotian · Accepted Answer

Correct answer: C. CH3COO– gives deep red colour with FeCl3 NO3– ion gives brown ring test with FeSO4.

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