Analytical ChemistryHard
Question
KI solution is the reagent for :
Options
A.Hg2+
B.Pb2+
C.Ag+
D.Cu2+
Solution
(A) Hg2+ + 2I- → HgI2↓ (red).
(B) Pb2+ + 2I- → PbI2 ↓ (yellow).
(C) Ag+ + I- → AgI ↓ (bright yellow).
(D) Cu2+ + 4I- → Cu2I2 ↓ (white) + I2
(B) Pb2+ + 2I- → PbI2 ↓ (yellow).
(C) Ag+ + I- → AgI ↓ (bright yellow).
(D) Cu2+ + 4I- → Cu2I2 ↓ (white) + I2
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