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Grade 11Inorganic Chemistry

A metal nitrate gives black ppt. with KI and on adding excess of KI it gives orange colour. It is:

(A) Hg+2 (B) Bi+3

(C) Sn+2 (D) Pb+2

Profile image of Simran Bhatia
12 Years agoGrade 11
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1 Answer

Profile image of Kamlesh Kumar
12 Years ago
Bi(NO3)3 + 3KI -----------------> BiI3 + 3KNO3
black
BiI3 + KI ---------------> K[BiI4]
orange hence answer is (B)

THANKS&REGARDS
kamlesh kumar
askiitians faculty

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