O-LevelChemistryMetals & Reactivity5070/11 · Oct/Nov 2013 · Q241 Mark

W, X and Y are elements in the same period of the Periodic Table. • X forms compounds of formulae XCl2 and XCl3. • Y forms a solution of pH12 when it reacts with water. • The reaction of W with water is similar to the reaction of Y with water but is less vigorous. In which order are the elements in the Periodic Table?

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AW → Y → X

BX → W → Y

CX → Y → W

DY → W → X

✓ Correct answer

D: Y → W → X

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 24.

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