AIIMS2005ChemistryRedox Reactions
In the balanced chemical reaction IO ₃⁻+a I ⁻+b H ⁺ c H ₂ O +d I ₂ a, b, c and d respectively corresponds to
Options
- A5,6,3,3
- B5,3,6,3
- C3,5,3,6
- D5,6,5,5
Correct answer
A. 5,6,3,3
Step-by-step solution
aligned & : IO ₃⁻+a I ⁻+b H ⁺ c H ₂ O +d I ₂ & Step 1: I ⁻ I ₂ (oxidation) & IO ₃⁻ I ₂ (reduction) & Step 2: 2 IO ₃⁻+12 H ⁺ I ₂+6 H ₂ O & Step 3: 2 IO ₃⁻+12 H ⁺+10 e⁻ I ₂+6 H ₂ O & 2 I ⁻ I ₂+2 e⁻ & Step 4: 2 IO ₃⁻+12 H ⁺+10 e⁻ I ₂+6 H ₂ O & [2 I ⁻ I ₂+2 e ] 5 aligned aligned & Step 5: 2 IO ₃⁻+10 I ⁻+12 H ⁺ 6 I ₂+6 H ₂ O & IO ₃⁻+5 I ⁻+6 H ⁺ 3 I ₂+3 H ₂ O aligned On comparing, a=5, b=6, c=3, d=3 .