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Date May 2011 Marks available 1 Reference code 11M.1.sl.TZ1.19
Level SL Paper 1 Time zone TZ1
Command term Predict Question number 19 Adapted from N/A

Question

The equilibrium between nitrogen dioxide, NO2, and dinitrogen tetroxide, N2O4, is shown below.

2NO2(g)N2O4(g)Kc=0.01

What happens when the volume of a mixture at equilibrium is decreased at a constant temperature?

I.     The value of Kc increases

II.     More N2O4 is formed

III.     The ratio of [NO2][N2O4] decreases

A.     I and II only

B.     I and III only

C.     II and III only

D.     I, II and III

Markscheme

C

Examiners report

[N/A]

Syllabus sections

Core » Topic 7: Equilibrium » 7.1 Equilibrium
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