Chemistry - Redox Reactions Question with Solution | TestHub

Cr³⁺I₃⁻¹ → Cr₂⁶⁺O₇²⁻ + I⁷⁺O₄⁻

$n=3+8\times 3=27$

Fe²⁺(S⁻²C⁴⁺N⁻³)₂ → Fe³⁺ + SO₄²⁻ + CO₃²⁻ + NO₃⁻

$n=1+(8+0+8)\times 2=33$

N⁻³H₄S⁻²C⁴⁺N⁻³ → S⁶⁺O₄²⁻ + C⁴⁺O₃²⁻ + N⁵⁺O₃⁻

$n=8+8+0+8=24$

As³⁺S⁻² → As⁵⁺O₃⁻ + S⁶⁺O₄²⁻

$n=2\times 2+8\times 3=28$