RPA03: Electrolysis

Question 1

Aim 

Answer 1

Investigate when aqueous solutions are electrolysed using inert electrodes


Question 2

Step one

Answer 2

Add 50 cm³ of copper chloride solution to a beaker

Question 3

Step two

Answer 3

Attach crocodile leads to the electrode and set power supply to 4 V

Question 4

Step three

Answer 4

Using forceps hold litmus paper near the positive electrode

Question 5

Step four

Answer 5

After a few minutes turn the power supply off and observe the negative electrode

Question 6

Step five

Answer 6

Record observations at the electrodes

Question 7

Step six

Answer 7

Repeat steps 1,2,3,4,5 for sodium chloride