At the equilibrium of the reaction, (g) 2 (g), the observed molecular weight of is 80 g mol –1 at 350 K. The percentage of dissociation of (g) at 350 K is

Question

At the equilibrium of the reaction, $N_2O_4$ (g) 2 $NO_2$ (g), the observed molecular weight of $N_2O_4$ is 80 g mol –1 at 350 K. The percentage of dissociation of $N_2O_4$ (g) at 350 K is

Prashant Kotian · Accepted Answer

Correct answer: B. Observed molecule weight =80g/mol Normal molecular weight of 2 4 N O =92g/mol Van’t Hoff factor 92 1.15 80 i Degree of dissociation i 1 1.15 1 n 1 2 1 0.15 2 4 Percentage dissociation of N O 0.15 100 15% x

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