A-LevelChemistryHydrocarbonsOct/Nov 2018Paper 1 Q241 Mark

Which statement about compound Q is correct? CH3C=CHCH2CH3 CO2CH3 Q

Q: What topic does this question test?

This question tests Hydrocarbons in A-Level Chemistry (syllabus code 9701). It is worth 1 mark.

AIt could be polymerised to give a polymer with the repeat unit [Diagram of repeat unit -C(CO2CH3)(CH3)-CH(CH2CH3)-]

BIt reacts with chlorine by a free radical mechanism to give [Diagram of CH3CH(Cl)-C(Cl)(CO2CH3)-CH2CH3]

CIt reacts with cold, dilute acidified manganate(VII) to give [Diagram of CH3C(OH)(CO2CH3)-CH(OH)CH2CH3]

DIt reacts with bromine via a free radical mechanism to give [Diagram of CH3C(Br)(CO2CH3)-CH(Br)CH2CH3]

✓ Correct Answer

The correct answer is C: It reacts with cold, dilute acidified manganate(VII) to give [Diagram of CH3C(OH)(CO2CH3)-CH(OH)CH2CH3]

📋 Examiner Report & Trap Analysis

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...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Chemistry Question

Topic

This multiple-choice question tests Hydrocarbons in A-Level Chemistry (syllabus code 9701). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Chemistry Oct/Nov 2018 examination, Paper 1 Variant 2.

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