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Byju's Answer
Standard XII
Chemistry
Reaction Quotient
How many of t...
Question
How many of the following reactions goes almost all the way to completion?
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
;
K
c
=
2.7
×
10
−
18
2
N
O
(
g
)
+
O
2
(
g
)
⇌
2
N
O
2
(
g
)
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Solution
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
;
K
c
=
2.7
×
10
−
18
As K is very less for this reaction so it will not reach to completion point.
2
N
O
(
g
)
+
O
2
(
g
)
⇌
2
N
O
2
(
g
)
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0
Similar questions
Q.
If
K
C
=
7.5
×
10
−
9
at
1000
K
for the reaction
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
. what is
K
C
at
1000
K
for the reaction
2
N
O
(
g
)
⇌
N
2
(
g
)
+
O
2
(
g
)
?
Q.
If
K
c
=
7.5
×
10
−
9
at 1000 K for the reaction
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
, what is
K
c
at 1000 K for the reaction
2
N
O
(
g
)
⇌
N
2
(
g
)
+
O
2
(
g
)
?
Q.
The value of
K
p
K
c
for the following reactions at
300
K
are, respectively:
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
N
2
O
4
(
g
)
⇌
2
N
O
2
(
g
)
N
2
(
g
)
+
3
H
2
(
g
)
⇌
2
N
H
3
(
g
)
[
A
t
300
K
,
R
T
=
24.62
d
m
3
a
t
m
m
o
l
−
1
]
Q.
For the reaction,
N
2
(
g
)
+
O
2
(
g
)
⇌
2
N
O
(
g
)
, the equilibrium constant is
K
1
. The equilibrium constant is
K
2
for
2
N
O
(
g
)
+
O
2
(
g
)
⇌
2
N
O
2
(
g
)
. What is K for the reaction
N
O
2
(
g
)
⇌
1
2
N
2
(
g
)
+
O
2
(
g
)
?
Q.
If the heat of formation of
N
o
2
is
[
1
2
N
2
(
g
)
+
O
2
(
g
)
→
N
O
2
(
g
)
]
the heat of reaction
N
2
(
g
)
+
O
2
(
g
)
→
2
N
O
(
g
)
is
y
and the heat of reaction
2
N
O
(
g
)
+
O
2
(
g
)
→
2
N
O
2
(
g
)
is
z
, then:
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