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  4. If pressure increases then its effect on given equilibrium 2 NO (g) leftharpoons N 2(g)+ O 2(g) is shift in :

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Q. If pressure increases then its effect on given equilibrium $2 NO (g) \rightleftharpoons N _{2}(g)+ O _{2}(g)$ is shift in :

Bihar CECEBihar CECE 2005Equilibrium

Solution:

According to Le-Chatelier principle the reactions in which number of moles of reactants is equal to number of moles of products, is not effected by change in pressure.
$2 NO (g) \rightleftharpoons N _{2}(g)+ O _{2}(g)$
Moles of reactants $=2$ Moles of products $=2$
$\because$ There is no change in number of moles of reactants and products.
$\therefore \quad$ The reaction is not effected by change in pressure.