What will be the value of x, y and z in the following equat…

Chemistry Redox Reaction NTA Abhiyas Question - Redox Reactions and Volumetric Analysis Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

What will be the value of x, y and z in the following equation?

H 2 C 2 O 4 +xH 2 O 2 yCO 2 +zH 2 O

2, 1,2

l,2,2

2,2, 1

1,2,1

Text Solution

Verified by Experts

The correct answer is:

(i) The half reaction for oxidation is,

H 2 C 2 O 4 CO 2

Balancing carbon atoms on both sides, H 2 C 2 O 4 2CO 2

Balancing hydrogen atoms on both sides, H 2 C 2 O 4 2CO 2 + 2H +

Balancing the charge on both sides,

H 2 C 2 O 4 2CO 2 + 2H + + 2e - ...(i)

(ii) The half reaction for reduction is- H 2 O 2 H 2 O

Balancing oxygen atoms on both sides, H 2 O 2 2H 2 O

Balancing hydrogen atoms, H 2 O 2 + 2H + 2H 2 O

Balancing the charge,

H 2 O 2 + 2H + + 2e - 2H 2 O ...(ii)

Now, adding both equations, H 2 C 2 O 4 + H 2 O 2 2CO 2 + 2H 2 O

This is balanced equation so x, y, z are 1,2,2 respectively.

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