P-Block Elements Ques 203
Question: The solubility of $ I_2 $ increases in water in the presence of
[Pb. CET 2002]
Options:
A) KI
B) $ H_2SO_4 $
C) $ KMnO_4 $
D) $ NH_3 $
Show Answer
Answer:
Correct Answer: A
Solution:
Iodine $ (I_2) $ is slightly soluble in water but it dissolves in 10% aqueous solution of KI due to the formation of potassium triodide $ (KI_3) $ .
