DP Chemistry (first assessment 2025)

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Question 21M.1A.SL.TZ2.22

Date	May 2021	Marks available	[Maximum mark: 1]	Reference code	21M.1A.SL.TZ2.22
Level	SL	Paper	1A	Time zone	TZ2
Command term	Predict	Question number	22	Adapted from	N/A

22.

[Maximum mark: 1]

21M.1A.SL.TZ2.22

What are the products of the electrolysis of molten potassium chloride, $KCl (l)$ ?

[1]

Markscheme

B

Syllabus sections

Reactivity 3. What are the mechanisms of chemical change? » Reactivity 3.2—Electron transfer reactions » Reactivity 3.2.8—An electrolytic cell is an electrochemical cell that converts electrical energy to chemical energy by bringing about non-spontaneous reactions. Explain how current is conducted in an electrolytic cell. Deduce the products of the electrolysis of a molten salt.