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Byju's Answer
Standard XII
Chemistry
Auto Protolysis of Water
The equilibri...
Question
The equilibrium constant for the reaction :
B
r
2
⇌
2Br
at 500 K and 700 K are 1
×
10
−
10
and 1
×
10
−
5
respectively. The reaction is:
A
endothermic
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B
exothermic
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C
fast
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D
slow
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Solution
The correct option is
A
endothermic
B
r
2
⇌
2
B
r
K
d
=
[
B
r
]
2
[
B
r
2
]
(i) at
500
K
⇒
K
d
=
10
−
10
(ii) at
700
K
⇒
K
d
=
10
−
5
As temperature increases
K
d
also increases
⇒
[
B
r
]
also increases
⇒
The reaction is endothermic as increasing temperature
leads to more products formed.
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Similar questions
Q.
The equilibrium constants for the reaction,
B
r
2
⇌
2
B
r
at
500
K and
700
K are
1
×
10
−
10
and
1
×
10
−
5
respectively. The reaction is:
Q.
The equilibrium constant for the reaction
B
r
2
⇌
2
B
r
at 500 K and 700 K are
1
×
10
−
10
and
1
×
10
−
5
respectively. The reaction is:-
(A) Endothermic (B) Exothermic (C) Fast (D) Slow
Q.
The equilibrium constants for the reaction,
B
r
2
⇌
2
B
r
at
500
K
and
700
K
are
1
×
10
−
10
and
1
×
10
−
5
respectively. The reaction is:
Q.
The equilibrium constants for the reaction
A
2
⇌
2
A
a
t
500
K
a
n
d
700
K
are
1
×
10
−
10
and
1
×
10
−
5
. The given reaction is ?
Q.
The equilibrium constants for
A
2
(
g
)
⇌
2
A
(
g
)
at
400
K and
600
K are
1
×
10
−
8
and
1
×
10
−
2
respectively. The reaction is:
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