A metal nitrate gives black ppt. with KI and on adding excess of KI it – McqOptions

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1.	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
Answer» C. Sn+2

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