O-LevelChemistryBonding & Structure5070/12 · Oct/Nov 2014 · Q351 Mark

Which structure represents that of an alloy?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

ARegular lattice of identical positive ions with delocalised electrons

BRegular lattice of positive ions with smaller positive ions in interstitial positions and delocalised electrons

CRegular lattice with some positive ions substituted by different sized positive ions and delocalised electrons

DRegular lattice of alternating positive and negative ions

✓ Correct answer

C: Regular lattice with some positive ions substituted by different sized positive ions and delocalised electrons

Oracle Prep sorts past-paper questions by topic, so you can drill Bonding & Structure and see which topics are most likely to come up next.

Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2014 Paper 1 Variant 2, question 35.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content