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Predicting chemical reactions

Predicting chemical reactions

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Question 17

The table shows the results of the displacement reactions between four metals (PPP, QQQ, RRR, and SSS) and their metal oxides.

Key: ✓\checkmark✓ = reaction, ×\times× = no reaction

Metal P P\,P oxideMetal Q Q\,Q oxideMetal R R\,R oxideMetal S S\,S oxide
Metal PPP—✓\checkmark✓×\times×✓\checkmark✓
Metal QQQ×\times×—×\times××\times×
Metal RRR✓\checkmark✓✓\checkmark✓—✓\checkmark✓
Metal SSS×\times×✓\checkmark✓×\times×—

What is the correct order of reactivity of the metals, from most reactive to least reactive?

A

R,P,S,QR, P, S, QR,P,S,Q

B

R,S,P,QR, S, P, QR,S,P,Q

C

P,R,S,QP, R, S, QP,R,S,Q

D

S,P,R,QS, P, R, QS,P,R,Q

Markscheme

Predicting chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /Predicting chemical reactions

41 exam-style questions on OCR GCSE Chemistry Predicting chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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