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Byju's Answer
Standard XII
Physics
Heat Engines
The value of ...
Question
The value of
K
w
in
0.1
M
N
a
O
H
and
0.1
M
N
a
C
l
are
A
same
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B
different
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C
same only at
25
o
C
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D
None of these
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Solution
The correct option is
A
same
The value of
K
w
will be always same at constant temperature.
Suggest Corrections
0
Similar questions
Q.
At
100
o
C
the
K
w
of water is 55 times its value at
25
o
C
. What will be the pH of neutral solution?
(
l
o
g
55
=
1.74
)
Q.
2.5
m
L
of
2
/
5
M
weak monoacidic base (
K
b
=
1
×
10
−
12
)
at
25
o
C
. The concentration of
H
+
ion at equivalence point is:
(
K
w
=
1
×
10
−
14
at
25
o
C
)
Q.
At
25
o
C
the hydroxyl ion concentration of a basic solution is
6.75
×
10
−
3
M
. Then
K
w
is:
Q.
Calculate the degree of hydrolysis of
0.10
solution of
K
C
N
. Dissociation constant of
H
C
N
=
7.2
×
10
−
10
at
25
o
C
and
K
w
=
1.0
×
10
−
4
Q.
At
100
o
C
the
K
w
of water is 55 times its value at
25
o
C
. What will be the pH of neutral solution?
(
l
o
g
55
=
1.74
)
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