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Le Chatelier's principle: effect of concentration, pressure, temperature, inert gas
NEET level
Single correct option
Difficulty 1 of 3
ce172
An inert gas is added to the equilibrium
N
X
2
(
g
)
+
3
H
X
2
(
g
)
2
NH
X
3
(
g
)
at constant temperature and constant volume. The equilibrium
A
does not shift
B
shifts backward
C
shifts forward
D
shifts forward and
K
increases
Answer: A
At constant volume the concentrations (partial pressures) of the reacting gases are unchanged, so
Q
=
K
still and there is no shift.
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