MHT CET202120 Sep 2021Morning ShiftChemistryRedox ReactionsActual
What is the value of ' x ' in order to balance the following redox reaction by ion electron method? x H ₂ O ₂+ ClO ₄ x O ₂+ ClO ₂+2 H ₂ O
Options
- A3
- B4
- C1
- D2
Correct answer
D. 2
Step-by-step solution
x H ₂ O ₂+ ClO ₄⁻ x O ₂+ ClO ₂⁻+2 H ₂ O Reduction Half Reaction ClO ₄⁻ ClO ₂⁻ 4 e ⁻+4 H ⁺+ ClO ₄⁻ ClO ₂⁻+2 H ₂ O Oxidation Half Reaction, aligned & H ₂ O ₂ O ₂ & H ₂ O ₂ O ₂+2 H ⁺+2 e ⁻ aligned Net Redox reaction aligned & [4 e ⁻ 4 H ⁺+ ClO ₄⁻ ClO ₂⁻+2 H ₂ O ] 1 & [2 H ₂ O ₂ O ₂+2 H ⁺+2 e ⁻ ] 2 & 2 H ₂ O ₂+ ClO ₄⁻ 2 O ₂+ ClO ₂⁻+2 H ₂ O & x =2 aligned