Chemical EquilibriumHard
Question
The equilibrium constant for some reactions are given below against each of the reaction.
(i) 2N2 + 5O2$\rightleftharpoons$2N2O5; K = 5 × 10−27 (ii) N2 + O2$\rightleftharpoons$2NO; K = 2 × 10−15
(iii) N2 + 2O2$\rightleftharpoons$2NO2; K = 1.5 × 10−29
Which of the following statement is correct?
Options
A.The least stable oxide is NO2.
B.The most stable oxide is NO.
C.The stability order is N2O5 > NO2 > NO.
D.The stability order is NO2 > NO > N2O5.
Solution
$\Delta_{f}G^{o}:NO_{2} > N_{2}O_{5} > NO$
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