HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Give the two half-equations for the electrolysis of a dilute solution of sodium nitrate, NaNO3

Important Questions on Electricity and Chemical Change

HARD
Upper Secondary: IGCSE
IMPORTANT

Give the two half-equations for the electrolysis of a dilute solution of copperII chloride, CuCl2.  

HARD
Upper Secondary: IGCSE
IMPORTANT

All three products from the electrolysis of brine must be transported with care. Why? 

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What is brine? Where is it obtained from? 
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Write a word equation for the electrolysis of brine. 
HARD
Upper Secondary: IGCSE
IMPORTANT

Draw a rough sketch of the diaphragm cell. Mark in where the oxidation and reduction reactions take place in it and write the half-equations for them. 

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
What is the diaphragm for, in the diaphragm cell? 
MEDIUM
Upper Secondary: IGCSE
IMPORTANT

The electrolysis of brine is a very important process. Explain why. 

HARD
Upper Secondary: IGCSE
IMPORTANT

The electrolysis of brine is a very important process. Give three uses for each of the products.