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Date May 2013 Marks available 1 Reference code 13M.3.hl.TZ1.C1
Level HL Paper 3 Time zone TZ1
Command term State Question number C1 Adapted from N/A

Question

Aluminium is produced by the electrolysis of aluminium oxide.

State how a low operating temperature is achieved when aluminium oxide is electrolysed.

Markscheme

adding/dissolved in cryolite/\({\text{N}}{{\text{a}}_{\text{3}}}{\text{Al}}{{\text{F}}_{\text{6}}}\);

Examiners report

(a) was well done.

Syllabus sections

Options » A: Materials » A.2 Metals and inductively coupled plasma (ICP) spectroscopy
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