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Learning Objectives
· Learning about the products of
electrolysing brine.
· Learning how electrolysis can be used
to purify brine.…read more

Slide 3

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Starter Activity:
· Predict the products of the electrolysis
of:
Molten sodium chloride
Sodium chloride solution…read more

Slide 4

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Electrolysing Brine
· Brine = sodium chloride solution
· Products:
Anode = Chlorine gas
Cathode = Hydrogen gas
· AND... sodium hydroxide solution.…read more

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Anode: 2Cl- (aq) Cl2 (g) + 2e-
· Cathode: 2H+ (aq) + 2e- H2 (g)
· This leaves a solution containing Na+ and
OH- ions, i.e. a solution of sodium
hydroxide.…read more

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Using the products of
electrolysing brine.
Sodium
Chlorine Hydrogen
Hydroxide…read more

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