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Standard XII
Chemistry
Salt of Strong Acid and Weak Base
Question
The ionization constant of ammonium hydroxide is
1.77
×
10
−
5
at 298 K. Hydrolysis constant of ammonium chloride is:
5.65
×
10
−
12
5.65
×
10
−
10
6.50
×
10
−
12
5.65
×
10
−
13
A
5.65
×
10
−
10
B
6.50
×
10
−
12
C
5.65
×
10
−
12
D
5.65
×
10
−
13
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Solution
Verified by Toppr
Given that
K
b
(
N
H
4
O
H
)
=
1.77
×
10
−
5
K
w
=
10
−
14
at 298 K
K
h
(
N
H
4
C
l
)
=
K
w
K
b
=
10
−
14
1.77
×
10
−
5
=
5.65
×
10
−
10
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