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Date November 2019 Marks available 1 Reference code 19N.1.sl.TZ0.23
Level SL Paper 1 Time zone TZ0
Command term List and Deduce Question number 23 Adapted from N/A

Question

The following occurs when metal X is added to Y sulfate solution and Z sulfate solution. (X, Y and Z represent metal elements but not their symbols.)

X (s) + YSO4 (aq) → XSO4 (aq) + Y (s)
X (s) + ZSO4 (aq): no reaction

What is the order of increasing reactivity?

A.  X < Y < Z

B.  Y < X < Z

C.  Z < Y < X

D.  Z < X < Y

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 9: Redox processes » 9.1 Oxidation and reduction
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