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Byju's Answer
Standard X
Chemistry
Electrolysis and Electrolytes
Derive the ex...
Question
Derive the expression for pH of hydrolysis of Ammonium carbonate (Nh4)2CO3.
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Q.
The spectator ions in the hydrolysis of
(
N
H
4
)
2
C
O
3
:
Q.
The degree of hydrolysis of ammonium acetate is related to its hydrolysis constant by the expression
Q.
12
g of impure cyanogen undergoes hydrolysis by two different paths.
i.
(
C
N
)
2
+
4
H
2
O
→
(
N
H
4
)
2
C
2
O
4
ii.
(
C
N
)
2
+
2
H
2
O
→
N
H
2
C
O
N
H
2
When
11.52
g of pure ammonium carbonate
[
(
N
H
4
)
2
C
O
3
]
was heated, the exact amount of urea was obtained.
20
mL of
1.6
M
acidic
K
M
n
O
4
is required to completely oxidise.
The percentage progress of the reaction in path (ii) is:
Q.
Calculate the degree of hydrolysis and
p
H
of
0.02
M
ammonium cyanide
(
N
H
4
C
N
)
at 298 K.
[
K
1
of
H
C
N
=
4.99
×
10
−
9
,
K
b
for
N
H
4
O
H
=
1.77
×
10
−
5
]
Q.
Calculate
(
i
)
the degree of hydrolysis of ammonium acetate. The dissociation constant for
N
H
4
O
H
i
s
4
×
10
−
5
and that of
C
H
3
C
O
O
H
i
s
1.8
×
10
−
5
(ii) also calculate its
p
H
value.
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