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4. d and f- block elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
On adding $KI $ to a solution of copper sulphate
  • A
    Cupric oxide is precipitated
  • B
    Metallic copper is precipitated
  • ✓
    Cuprous iodide is precipitated with liberation of iodine
  • D
    No change occurs
✓

Answer

Correct option: C.
Cuprous iodide is precipitated with liberation of iodine
c
(c)Cuprous iodide is precipitated with liberation of iodine.

$2KI + CuS{O_4}\, \to \,Cu{I_2} + {K_2}S{O_4} + {I_2}$

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