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) $ .



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