Watch the video and answer the questions associated with it.
This will be most useful if you watch the video through, then answer the questions. You can then return to the video to find any answers you couldn't get.
You can find the answers to self-assess in the lesson powerpoint.
1.What does the term molten mean?
1.What happens to the lead(II) bromide when it is heated?
1.What is the charge on a lead ion?
2.What is the charge on a bromide ion?
1.Where do the lead ions move to during electrolysis?
2.Where do the bromide ions move to during electrolysis?
1.What does the term aqueous mean?
1.What is the charge on a sodium ion?
2.What is the charge on a chloride ion?
3.What is the charge on a hydrogen ion?
4.What is the charge on a hydroxide ion?
1.What is formed at the positive electrode (anode)?
2.What is the half equation for this
1.What is formed at the negative electrode (cathode)
2.What is the half equation for this?
1.What is oxidised and what is reduced?
1.What is formed at the cathode (negative electrode)?
2.What is the half equation for the reaction at the cathode
1.What is formed at the anode (positive electrode)?
2.What is the half equation for the reaction at the anode?
1.Which species is oxidised and which is reduced?