True or false: electrochemistry

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Oxidation happens at the anode.

2. Statement is true

   Yes

   Statement

   Reduction happens at the cathode.

3. Statement is true

   Yes

   Statement

   The Nernst equation is used to calculate the emf of a galvanic cell.

4. Statement is true

   No

   Statement

   A galvanic cell needs an external supply to drive its reaction.

Instructions

Decide whether each statement about cells is true or false.

Explanation