GUJCET 2023 Chemistry Solved Paper

© examsiri.com

Question : 20 of 40

Marks: +1, -0

Which of the following chemical reaction occur at anode during electrolysis of higher concentrated H2SO4 solution?

2SO42−(aq)→S2O82−(aq)+2e−
‌2H2
O
2x→⋯
(I)→O2(g)+4H(aq)++4e−
H2O(I)+e−→‌
1
2
H2(g)+2OH(aq)−
S2O8(aq)2−+2e−→2SO42−(aq)

Go to Question:

Prev Question

Next Question