Question:
For the reaction N2O4 (g) ⇌ 2NO2 (g), the value of K is 50 at 400 K and 1700
at 500 K. Which of the following options is correct?
(i) The reaction is endothermic
(ii) The reaction is exothermic
(iii) If NO2 (g) and N2O4 (g) are mixed at 400 K at partial pressures 20 bar
and 2 bar respectively, more N2O4
(g) will be formed.
(iv) The entropy of the system increases.
Solution:
Option (i) The reaction is endothermic
(iii) If NO2 (g) and N2O4 (g) are mixed at 400 K at partial pressures 20 bar and
(iv) The entropy of the system increases are the answers.
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