Question 38 of 198 in Electrolysis

The electrolysis of molten compounds

1 mark · Easy

State the product formed at the cathode during the electrolysis of molten calcium chloride ().

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Calcium or Ca

Also accept: Calcium; Ca; Calcium metal

Common mistakes: Chlorine; Cl_2

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Marking points

B1 · 1 mark · States calcium (or Ca) as product at cathode; accept 'calcium metal'.

Worked solution

At the cathode, calcium ions gain electrons. The product is calcium (Ca) metal.

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