Question

The following reaction attains equilibrium at high temperature
N2(g) + 2H2O(g) + heat ⇌ 2NO(g) + 2H2(g)
The concentration of NO(g) is affected by

Answer 1

Answer:

This is a reversible equilibrium reaction which is attained at high temperature.

Le- Chatelier principle applicable to any equilibrium reaction states that if there is any factor which tends to alter the equilibrium state then the equilibrium shift to the favourable side

In the given question, the concentration of NO(g) (product) is affected by:

1) Concentration of the gaseous reactants like N2(g) and H2O(g). Increase in concentration of the reactants increase the concentration of NO (g) and vice versa

2) Temperature of the reaction. Since this is an endothermic reaction the concentration of NO is increased at high temperature and decrease at lower temperature

3) Pressure of the reaction . Low pressure shifts equilibrium towards side with less number of moles and vice versa so concentration of NO is increased at low pressure and decreased at high pressure.

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