Electrolysis - Eduqas test questions - Eduqas

1

What name is given to the process of splitting up an ionic compound using a direct current supply?

2

Why must electrolytes be molten or in solution?

3

What names are given to the two electrodes in electrolysis?

4

What products are formed when molten sodium chloride is electrolysed?

5

Why does water have a low electrical conductivity?

6

When nickel chloride solution is electrolysed, hydrogen is produced at the cathode. What can be deduced from this observation?

7

When nickel chloride solution is electrolysed, chlorine is produced at the anode. What can be deduced from this observation?

8

A solution of copper(II) sulfate is electrolysed with copper electrodes. Which of these statements is true?

9

Where does oxidation take place during electrolysis? - Higher

10

Which is the correct equation for the formation of chlorine gas at the anode during the electrolysis of concentrated sodium chloride solution? - Higher