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Byju's Answer
Standard IX
Chemistry
Alkali Metals
Correct order...
Question
Correct order of solubility of salts in water is:
A
K
F
<
R
b
F
>
N
a
F
>
L
i
F
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B
L
i
F
>
N
a
F
>
K
F
>
R
b
F
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C
R
b
F
>
K
F
>
N
a
F
>
L
i
F
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D
N
a
F
>
K
F
>
R
b
F
>
L
i
F
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Solution
The correct option is
C
R
b
F
>
K
F
>
N
a
F
>
L
i
F
R
b
F
>
K
F
>
N
a
F
>
L
i
F
Because increase in hydration energy results in increase of solubility with increase in the cation size.
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Similar questions
Q.
Arrange
C
s
F
,
R
b
F
,
N
a
F
,
K
F
,
and
L
i
F
in the decreasing order of lattice energy:
Q.
Arrange
C
s
F
,
R
b
F
,
N
a
F
,
K
F
,
and
L
i
F
in the decreasing order of lattice energy:
Q.
Which is more soluble?
L
i
F
or
K
F
Q.
(
L
i
F
,
B
e
F
2
,
N
a
3
P
O
4
,
K
3
P
O
4
,
B
a
F
2
,
M
g
F
2
,
L
i
3
P
O
4
,
N
a
F
,
C
s
F
,
C
a
F
2
,
M
g
3
(
P
O
4
)
2
)
Among the following compounds, a number of compounds that is NOT completely soluble in water is:
Q.
Equivalent conductance of an electrolyte containing
N
a
F
at infinite dilution is
90.1
O
h
m
−
1
c
m
2
. If
N
a
F
is replaced by
K
F
what is the value of equivalent conductance?
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