Question

Identify the reactions, in which products are correctly given: I. \[ IBr + H_2O \rightarrow HI + HOBr \] II. \[ ClF_3 + H_2O \rightarrow HF + HOClO \] III. \[ IF_5 + H_2O \rightarrow HF + HIO_3 \]

• A. I, II only
• B. II, III only
• C. I, III only
• D. I, II, III

Hint:

Interhalogen compounds generally undergo hydrolysis to form HF and oxyacids of the central halogen.

Answer 1

The Correct Option is D

Concept: Interhalogen compounds undergo hydrolysis in water. During hydrolysis, fluorine is liberated as HF and the central halogen generally forms an oxyacid.

Step 1: Examine reaction I.
Hydrolysis of iodine monobromide gives \[ IBr + H_2O \rightarrow HI + HOBr \] Thus reaction I is correct.

Step 2: Examine reaction II.
Hydrolysis of chlorine trifluoride produces hydrofluoric acid and chlorous acid. \[ ClF_3 + 2H_2O \rightarrow HClO_2 + 3HF \] Since \[ HClO_2 \equiv HOClO \] reaction II is correct.

Step 3: Examine reaction III.
Hydrolysis of iodine pentafluoride gives \[ IF_5 + 3H_2O \rightarrow HIO_3 + 5HF \] Hence reaction III is also correct.

Step 4: Final conclusion.
All three reactions are correctly represented. \[ \boxed{\text{I, II and III}} \]