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Standard XII
Chemistry
Question
The value of
K
b
for the hydrolysis reaction
B
+
+
H
2
O
⇌
B
O
H
+
H
+
is
1.0
×
10
−
6
. The hydrolysis constant of the salt is:
10
−
6
10
−
7
10
−
8
10
−
9
A
10
−
6
B
10
−
9
C
10
−
7
D
10
−
8
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Solution
Verified by Toppr
Given a hydrolysis reaction:
B
+
+
H
2
O
⇋
B
O
H
+
H
+
The expression for hydrolysis constant is as given below.
K
H
=
K
w
K
b
Substituting values in the above expression, we get
K
H
=
K
w
K
b
=
10
−
14
10
−
6
=
10
−
8
Hence, the hydrolysis constant of the salt is
10
−
8
.
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Similar Questions
Q1
The value of
K
b
for the hydrolysis reaction
B
+
+
H
2
O
⇌
B
O
H
+
H
+
is
1.0
×
10
−
6
. The hydrolysis constant of the salt is:
View Solution
Q2
If the
K
b
value in the hydrolysis reaction,
B
+
+
H
2
O
⇌
B
O
H
+
H
+
is
1.0
×
10
−
6
, then the hydrolysis constant of the salt would be:
View Solution
Q3
In the hydrolytic equilibrium;
B
+
+
H
2
O
⇌
B
O
H
+
H
+
K
b
=
1
×
10
−
5
. The hydrolysis constant is-
View Solution
Q4
In the hydrolytic equilibrium;
B
+
+
H
2
O
⇌
B
O
H
+
H
+
K
b
=
1
×
10
−
5
. The hydrolysis constant is:
View Solution
Q5
For the reaction
B
+
+
H
2
O
⇌
B
O
H
+
H
+
,
k
b
for
B
O
H
is
1
×
10
−
6
. If the value of hydrogen constant is
1
×
10
−
x
. Then value of
x
is
View Solution