The electrolysis of other molten substances

1 mark · Normal

Which element forms at the anode during the electrolysis of molten sodium bromide (NaBr)?

ABromineBSodiumCHydrogenDOxygen

› Show answer

Correct option: Bromine

Common mistakes: Choosing sodium; Choosing oxygen or hydrogen

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Selects 'Bromine' as the correct answer

Worked solution

Bromine forms at the anode as it is the non-metal ion being oxidised.

← Previous Next question →

Report a problem with this question

What's wrong? The question looks wrong The expected answer looks wrong The marking scheme looks wrong The wording is unclear A diagram or image has a problem It's not from this part of the syllabus Something else

Tell us more (optional)

Want SubjectCover to remember your results?

Save your history, get your answers evaluated, track syllabus coverage and see what to practise next.

During Early Access, answer evaluation and explanations are currently free, subject to fair-use limits.

Create Free Account Sign in

SubjectCover

SubjectCover is an independent assessment and practice platform and is not affiliated with or endorsed by Pearson.

Pearson and Edexcel are trademarks of their respective owners.

Free practice Privacy Terms Contact