Question

The equilibrium constant for the gas phase reaction

N2 (g) + O2 (g) ↔ 2NO (g)

is Keq = 4.20 × 10-31 at 30 °C. At equilibrium, __________.






The equilibrium constant for the gas phase reaction

N2 (g) + O2 (g) ↔ 2NO (g)

is Keq = 4.20 × 10-31 at 30 °C. At equilibrium, __________.





only reactants are present





roughly equal amounts of products and reactants are present





reactants predominate





only products are present





products predominate

Answer 1

only reactants are present
If equllibrium constant is greater than 10to the power3 product predominates
If equllibrium constant is greater than 10 to the power -3 reactant predominates
in between 103 and 10 -3 reaction is in equllibrium
now above value is 10-31 very very small hence reactant are present