Reddish-brown (chocolate) ppt. are formed with :- (A) Cu and Fe (B) Ba and (C) Pb and I (D) None of these 2+ (CN)4− 6 2+ SO2− 4 2+ –

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Question

Reddish-brown (chocolate) ppt. are formed with :-

(A) Cu and Fe
(B) Ba and
(C) Pb and I
(D) None of these 2+ (CN)4− 6 2+ SO2− 4 2+ –

Prashant Kotian · Accepted Answer

Correct answer: A

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