Consider the following statements:?

Question

Z1) In electrolytic cells, the flow of electrons is spontaneous.
Z2) In electrolytic cells, the electrons flow in the external circuit (through the wire) from the anode to the cathode.
Z3) In the electrolytic cells, the cathode is the negative electrode.

Which of the following is true?

1. Z1 and Z3 only

2. Z1 only

3. Z2 and Z3 only

4. Z1, Z2 and Z3

5. Z3 only

Answer 1

3.