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A-LevelChemistryChemical periodicity9701/12 · May/June 2023 · Q181 Mark

In reactions 1 and 2, X represents an element in Period 3. In each reaction, X is forming a product where X is in its highest oxidation state. reaction 1 chlorine + element X → XzCl₂ reaction 2 oxygen + element X → XpOq Which ratios show a steady increase from sodium to phosphorus?

Aneither z:y nor q:p
Bz:y only
Cq:p only
Dboth z:y and q:p

✓ Correct answer

D: both z:y and q:p

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About this question

Topic
Chemical periodicity, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, May/June 2023 Paper 1 Variant 2, question 18.

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