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Tardigrade
Question
Chemistry
The correct order of thermal stability of hydroxides is :
Q. The correct order of thermal stability of hydroxides is :
3096
176
JEE Main
JEE Main 2015
The s-Block Elements
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A
M
a
(
O
H
)
2
<
S
r
(
O
H
)
2
<
C
a
(
O
H
)
2
<
M
g
(
O
H
)
2
7%
B
B
a
(
O
H
)
2
<
C
a
(
O
H
)
2
<
S
r
(
O
H
)
2
<
M
g
(
O
H
)
2
24%
C
M
g
(
O
H
)
2
<
C
a
(
O
H
)
2
<
S
r
(
O
H
)
2
<
B
a
(
O
H
)
2
60%
D
M
g
(
O
H
)
2
<
S
r
(
O
H
)
2
<
C
a
(
O
H
)
2
<
B
a
(
O
H
)
2
9%
Solution:
The correct order of thermal stability of hydroxide is
M
g
(
O
H
)
2
<
C
a
(
O
H
)
2
<
S
r
(
O
H
)
2
<
B
a
(
O
H
)
2
On moving down the group, the lattice enthalpy increases and the thermal stability increases.