Chemistry · Electrochemistry
Standard electrode potentials (E°) for some half-cell reactions are given below: (a) H+(aq) + e− → 12H2(g) ; E° = 0.00 V (b) 2H2O(l) → O2(g) + 4H+(aq) + 4e− ; E° = 1.23 V (c) 2SO42−(aq) → S2O82−(aq) + 2e− ; E° = 1.96 V On the basis of these, which of the following statements is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1In dilute sulphuric acid solution, hydrogen gas will be evolved at the anode.
- 2In dilute sulphuric acid solution, water will be preferentially oxidised at the anode.✓
- 3In dilute sulphuric acid solution, SO42− ion will be oxidised to peroxodisulphate ion at the anode.
- 4In concentrated sulphuric acid solution, water will be preferentially oxidised at the anode.
Correct answer
In dilute sulphuric acid solution, water will be preferentially oxidised at the anode.
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Chemistry?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Electrochemistry MCQs →Want more practice questions on Electrochemistry?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Chemistry · Electrochemistry