Analytical ChemistryHard
Question
Which of the following is/are not correctly matched ?
Options
A.BiI3 ↓ → Black
B.Cu2I2 ↓ → White precipitate
C.Pbl2 ↓ → Yellow precipitate
D.Hhl2 ↓ → Red precipitate
Solution
(A) Bi3+ + 3I- → BiI3↓ (black)
(B) 2Cu2+ + 5I- → Cu2I2 ↓ + I3- (brown solution)
(C) Pb2+ + 2I- → PbI2 ↓ (yellow)
(D) Hg22+ + 2I- → HgI2 (red/scarlet)
(B) 2Cu2+ + 5I- → Cu2I2 ↓ + I3- (brown solution)
(C) Pb2+ + 2I- → PbI2 ↓ (yellow)
(D) Hg22+ + 2I- → HgI2 (red/scarlet)
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