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Chemical Equilibrium
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Le Chatelier's principle: effect of concentration, pressure, temperature, inert gas
NEET level
Single correct option
Difficulty 1 of 3
ce010
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H
X
2
is added at constant temperature to the equilibrium
H
X
2
(
g
)
+
I
X
2
(
g
)
2
HI
(
g
)
. What happens to the value of
K
c
?
A
It increases
B
It remains unchanged
C
It decreases
D
It first increases and then decreases
Answer: B
K
c
depends only on temperature. Adding
H
X
2
shifts the equilibrium forward to restore
Q
c
=
K
c
, but the constant itself does not change.
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