A-LevelChemistryChemical bondingOct/Nov 2024Paper 1 Q61 Mark

Why does ICl have a higher boiling point than Br2?

Q: What topic does this question test?

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

Abecause of the difference in the bond energies of the covalent bonds within ICl and Br2

Bbecause of the difference in the polar nature of ICl and Br2

Cbecause of the difference in the number of electrons contained within ICl and Br2

Dbecause of the difference in the relative molecular mass of ICl and Br2

✓ Correct Answer

The correct answer is B: because of the difference in the polar nature of ICl and Br2

📋 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 Chemical bonding in A-Level Chemistry (syllabus code 9701). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Chemistry Oct/Nov 2024 examination, Paper 1 Variant 2.

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