D-And F-Block Elements Ques 45
Question: On adding KI to a solution of copper sulphate
[CPMT 1973; NCERT 1977; MP PMT 1989]
Options:
A) Cupric oxide is precipitated
B) Metallic copper is precipitated
C) Cuprous iodide is precipitated with liberation of iodine
D) No change occurs
Show Answer
Answer:
Correct Answer: C
Solution:
Cuprous iodide is precipitated with liberation of iodine. $ 2KI+CuSO_4,\to ,CuI_2+K_2SO_4+I_2 $
