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Byju's Answer
Standard XII
Chemistry
Entropy
"A solute dis...
Question
"A solute dissolves in water if
Δ
H
h
y
d
r
a
t
i
o
n
is smaller than
Δ
H
U
."
Answer whether the above statement is true or false.
If true enter 1, else enter 0.
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Solution
△
H
h
y
d
r
a
t
i
o
n
is the energy released when a solute dissolves in the solvent.
△
H
U
, lattice energy is the energy required for a solute to break up the interaction between their constituent ions.
So, for a solute to dissolve in the solvent:
△
H
h
y
d
r
a
t
i
o
n
>
△
H
U
Hence, a solute dissolves in water if
△
H
H
y
d
r
a
t
i
o
n
is higher than
△
H
U
.
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