. What is the value of ?

Question

Canvas Classes · Accepted Answer

Step 1 — Balance by atom count and charge:

Iodine balance:
- Left:  (from )  (from )
- Right:  I atoms (from )

Step 2 — Verify with charge balance:
- Left: 
- Right:  (neutral molecules)
✓ Charge balanced

Step 3 — Verify with oxidation states:
- I in : ; in : ; in : 
- Reduction: :  (gain of 5e⁻ per I, total  e⁻ gained)
- Oxidation: :  (loss of 1e⁻ per I, total  e⁻ lost)
- For balance:  ✓

Answer: Option (3) —

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