O-LevelChemistryMetals & Reactivity5070/11 · May/June 2023 · Q271 Mark

The equations for some of the reactions of metals Q, R and T are shown. 2QNO3(aq) + Cu(s) → 2Q(s) + Cu(NO3)2(aq) R(s) + TSO4(aq) → T(s) + RSO4(aq) T(s) + H2SO4(aq) → TSO4(aq) + H2(g) Using the equations, what is the order of reactivity of Q, R and T?

Amost reactive: Q, T, R: least reactive

Bmost reactive: R, Q, T: least reactive

Cmost reactive: R, T, Q: least reactive

Dmost reactive: T, R, Q: least reactive

✓ Correct answer

C: most reactive: R, T, Q: least reactive

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Topic: Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2023 Paper 1 Variant 1, question 27.

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