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Byju's Answer
Standard X
Chemistry
Electrolysis and Electrolytes
Ka for hcn ...
Question
Ka for hcn is 5\ast10^{-10}.For maintaining a constant ph of 9, the volume of 5M kcn solution required to be added to 10ml of 2M hcn solution is A.2ml B.5ml C.3ml D.4ml
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Similar questions
Q.
K
a
for
H
C
N
is
5
×
10
−
10
at
25
o
C
. For maintaining a constant
p
H
of
9
, the volume of
5
M
K
C
N
solution required to be added to
10
m
L
of
2
M
H
C
N
solution is
Q.
K
a
for
H
C
N
is
5
×
10
−
10
at
25
o
C
. For maintaining a constant
p
H
=
9
, the volume of
5
M
K
C
N
solution required to be added to
10
m
l
of
2
M
H
C
N
solution is:[Given
log
10
5
=
0.69
: antilog
(
−
0.3010
)
=
0.5
]
Q.
K
a
for HCN is
5
×
10
−
10
at
25
0
C
. For maintaining a constant pH = 9, the volume of 5 M KCN solution required to be added to 10 mL of 2 M HCN solution is:
Q.
K
a
for HNC is
5
×
10
−
10
at 25C for maintaining a constant pH of 9, the volume of 5 M KCN solution required to be added to 10 ml of 2M HCN solution is _________.
(
log
2
=
0.3
)
Q.
K
a
for HCN is
5
×
10
−
10
at
25
∘
C
. For maintaining a constant pH of 9, the volume of
5
M
K
C
N
solution required to be added to
10
m
L
of
2
M
H
C
N
solution is
(
log
2
=
0.3
a
n
d
l
o
g
5
=
0.69
)
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