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A-LevelChemistryHalogen derivativesMay/June 2023Paper 1 Q291 Mark

When bromoethane reacts with hot ethanolic sodium hydroxide a colourless gas is formed. This gas decolourises aqueous bromine. What is the colourless gas?

A1,2-dibromoethane
Bethanol
Cethene
Dhydrogen bromide

✓ Correct Answer

The correct answer is C. This question tests the candidate's understanding of halogen derivatives within the Chemistrysyllabus. The examiner's mark scheme requires...

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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

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About This A-Level Chemistry Question

This multiple-choice question appeared in the Cambridge A-Level Chemistry (9701) May/June 2023 examination, Paper 1 Variant 2. It tests the topic of Halogen derivatives and is worth 1 mark.

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