1.

1 mole each of N_2(g) and O_2(g) are introduced in a 1L evacuated vessel at 523 K and equilibrium N_2(g)+O_(2)ghArr2NO(g) is established.The concentration of NO(g) at equilibrium :

Answer»

Changes on changing volume of vessel
Changes on changing temperature
Changes on changing PRESSURE
Remains same even when a platinum GAUZE is introduced to catalyse the reaction

Solution :`N_2(g)+O_2(g)hArr 2NO(g)`
(A)For changing pressure volume has to be changed, though NUMBER of moles of NO(g) do not get changed but its concentration will get changed.
(B)Temperature change will change `K_P` and hence concentration.
( C)Volume change will change concentration, not the number of moles.
(D)CATALYST does not change equilibrium concentrations.


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