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Date May 2015 Marks available 1 Reference code 15M.1.sl.TZ1.17
Level SL Paper 1 Time zone TZ1
Command term Question number 17 Adapted from N/A

Question

Which variable is best to use when determining the rate of decomposition of hydrogen peroxide?

\[{\text{2}}{{\text{H}}_{\text{2}}}{{\text{O}}_{\text{2}}}{\text{(l)}} \to {\text{2}}{{\text{H}}_{\text{2}}}{\text{O(l)}} + {{\text{O}}_{\text{2}}}{\text{(g)}}\]

A.     Volume of solution

B.     Volume of gas

C.     pH of solution

D.     Conductivity of solution

Markscheme

B

Examiners report

[N/A]

Syllabus sections

Core » Topic 6: Chemical kinetics » 6.1 Collision theory and rates of reaction
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