[ Post UTME Begins ]: View The List Of Schools That Have Released 2026 Post-UTME Forms.
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
  1. Home
  2. Classroom
  3. Chemistry
  4. WAEC 2001
  5. In the electrolysis...

In the electrolysis of CuSO4(aq) using copper electrodes, the reaction at the anode is

Chemistry
WAEC 2001

In the electrolysis of CuSO4(aq) using copper electrodes, the reaction at the anode is

  • A. discharge of SO4 2-
  • B. discharge of OH-
  • C. dissolution of copper electrode
  • D. evolution of oxygen
Post UTME Past Questions Agent
Your School's Whatsapp Group - Join Us now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Correct Answer: Option C
Explanation

When copper electrodes are used to electrolyze an aqueous copper sulfate solution, the following happens at the anode:

  • Copper loses electrons: Copper atoms at the anode lose electrons, forming copper ions that go into the solution. 
  • Anode dissolves: The anode slowly dissolves away as the electrolysis continues. 
  • Copper ions are generated: Copper ions are generated at the anode.  In summary, there is dissolution of copper electrode - Option C
Previous Next
Go back to Chem classroom

Report an Error Ask A Question Download App
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
{{ text }}

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

Post your Contribution

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

{{ quote.posted_by.display_name }}
{{ settings.form_textarea_description }}
 
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now