Voltaic Cell Electrode Processes

00:00 1 marks

Which statement is correct for a voltaic cell?

A

Oxidation occurs at the positive electrode (cathode).
B

Reduction occurs at the positive electrode (cathode).
C

Oxidation occurs at the negative electrode (cathode).
D

Reduction occurs at the negative electrode (anode).

Hint Hint

Hint

Remember the mnemonic ‘An Ox’ (Anode = Oxidation) and ‘Red Cat’ (Reduction = Cathode). Also recall the sign convention for voltaic cells: the anode is negative and the cathode is positive.

Answer Answer
Mark Scheme Mark Scheme
Explanation Explanation
Examiner Tips Examiner Tips
Common Errors Common Errors
Real World Context Real World Context

Answer Answer

Complete Answer

Reduction occurs at the positive electrode (cathode).

Mark Scheme Mark Scheme

Answer Explanation Answer Explanation

Examiner Tips Examiner Tips

Common Errors Common Errors

Math Editor

Welcome Back!

Create your account

Build skills for today, tomorrow, and beyond. Education to future-proof your career.

By clicking "Sign in," you agree to our Terms of Use and our Privacy Policy

Hint: The password should be at least eight characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).