Post-UTME Chemistry 2018 Objective — Question 9
Question 9 of 21 from the Post-UTME Screening (Post-UTME) Chemistry 2018 Objective paper, with the correct answer and a full explanation.
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N2O4(g) <=> 2NO2(g). If the pressure in the above equilibrium is decreased, it is observed that the
- A. gases would condense
- B. gas mixture would become very dark brownCorrect
- C. gas mixture would become colourless
- D. gas would separate into two layers
Explanation
Decreasing pressure shifts the equilibrium towards the side with more gas moles (2NO2), which is a darker brown colour.
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