

MCQOPTIONS
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1. |
A metal nitrate reacts with KI to give a black precipitate which on addition of excess of KI convert into orange colour solution. The cation of the metal nitrate is [IIT 2005] |
A. | \[H{{g}^{2+}}\] |
B. | \[B{{i}^{3+}}\] |
C. | \[P{{b}^{2+}}\] |
D. | \[C{{u}^{+}}\] |
Answer» C. \[P{{b}^{2+}}\] | |