Cylinders of NO gas may contain small quantities of oxygen as impurities, leadin

Question

Cylinders of NO gas may contain small quantities of oxygen as impurities, leading to the formation of NO2 in equilibrium with the NO and oxygen. Is this contamination by NO2 dependent on pressure in the tank?

A.) Yes, there will be more NO2 at higher pressures.
B.) Yes, there will be less NO2 at higher pressures.
C.) No, the amount of NO2 has nothing to do with pressure.
D.) No, the amount of NO2 depends on the partial pressure, not the total pressure.
E.) There is no way to tell without additonal information.

Explanation / Answer

2NO + O2 <------> 2NO2

if you increase the pressure reaction will shift towards product side this is because no of moles of product is less than reactant side

yes there will be more NO2 at high pressure

answer is A

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