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JEEMAIN and NEET
>>
Chemistry
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Chemical Thermodynamics
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Q)
Given
Δ
H
∘
i
o
n
i
z
(HCN) = 45.2 kJ
m
o
l
−
1
and
Δ
H
∘
i
o
n
i
z
(
C
H
3
C
O
O
H
)
= 2.1 kJ
m
o
l
−
1
. Which one of the following fact is true?
(a)
p
K
a
(
H
C
N
)
=
p
K
a
(
C
H
3
C
O
O
H
)
(b)
p
K
a
(
H
C
N
)
>
p
K
a
(
C
H
3
C
O
O
H
)
(c)
p
K
a
(
H
C
N
)
<
p
K
a
(
C
H
3
C
O
O
H
)
(d)
p
K
a
(
H
C
N
)
=
45.50
2.1
p
K
a
(
C
H
3
C
O
O
H
)
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