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Byju's Answer
Standard XII
Chemistry
Effective Equilibrium Constant
0.1 M solutio...
Question
0.1M solution of
N
H
4
O
H
is
1.344
%
dissociated at equilibrium calculate
K
b
A
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B
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C
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D
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Solution
The correct option is
B
N
H
4
O
H
⇌
N
H
+
4
+
O
H
−
I
n
i
t
i
a
l
0.1
M
O
O
A
t
e
q
n
01
−
1.344
×
0.1
100
1.344
×
0.1
100
1.344
×
0.1
100
K
b
=
(
(
0.001344
)
2
0.0986
)
=
1.8
×
10
−
5
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2
Similar questions
Q.
The dissociation constant of
0.05
M
C
H
3
C
O
O
H
is given as
1.8
×
10
−
5
. Calculate the percentage dissociation of
C
H
3
C
O
O
H
in
0.2
M
H
C
l
solution.
Q.
Calculate the concentration of
O
H
−
ions of
0.01
M
N
H
4
O
H
solution. The equilibrium constant of
N
H
4
O
H
is
1.8
×
10
−
5
.
Q.
What will be the
p
H
of
0.1
M
C
H
3
C
O
O
N
H
4
? Dissociation constants of
C
H
3
C
O
O
H
and
N
H
4
O
H
are
K
a
=
1.8
×
10
−
5
and
K
b
=
1.8
×
10
−
5
respectively.
Q.
The dissociation constant of
0.01
M
C
H
3
C
O
O
H
is
1.8
×
10
−
5
then calculate
C
H
3
C
O
O
−
concentration in
0.1
M
H
C
l
solution.
Q.
At 291 K, the molar conductivities at infinite dilution of
N
H
4
C
l
,
N
a
O
H
and
N
a
C
l
are 129.8, 217.4 and
108.9
S
c
m
2
m
o
l
−
1
respectively . If the molar conductivity of a centinormal solution of
N
H
4
O
H
is
9.532
S
c
m
2
m
o
l
−
1
, then calculate the dissociation constant of
N
H
4
O
H
?
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