Question

In alkaline medium CIO2 oxidises H2O2 to O2 and itself gets reduced to Cl-. How many moles of H202 are oxidised by 1 mole of CIO2 ?
(1) 1
(2) 1.5
(3) 2.5
(4) 3.5
​

Answer 1

Answer:

ClO²⁻ (aq) + H₂O₂ (l) — > Cl⁻ + O₂ (g) + H₂O (l)

The mole ratio is 1 : 1

Since the mole ratio is 1 :1 ;

I) Moles of ClO²⁻ = moles of H₂O₂

We therefore conclude that :

The moles of H₂O₂ that will be oxidized by 1 mole of ClO²⁻ is 1 mole.

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