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Standard XII
Chemistry
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Arrange the f...
Question
Arrange the following properties in the increasing order.
Lattice energy :
B
e
C
l
2
,
M
g
C
l
2
,
C
a
C
l
2
,
S
r
C
l
2
A
B
e
C
l
2
>
M
g
C
l
2
>
C
a
C
l
2
>
S
r
C
l
2
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B
B
e
C
l
2
>
C
a
C
l
2
>
M
g
C
l
2
>
S
r
C
l
2
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C
S
r
C
l
2
>
C
a
C
l
2
>
M
g
C
l
2
>
B
e
C
l
2
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D
None of these
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Solution
The correct option is
A
B
e
C
l
2
>
M
g
C
l
2
>
C
a
C
l
2
>
S
r
C
l
2
The order of Lattice energy is:
(
a
)
S
r
C
l
2
<
C
a
C
l
2
<
M
g
C
l
2
<
B
e
C
l
2
Lattice energy decreases down the group due to the increase in radius.
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Similar questions
Q.
Which of the following orders of alkaline-earth metal chlorides are correct:
(a) covalent nature :
R
a
C
l
2
<
B
a
C
l
2
<
S
r
C
l
2
<
C
a
C
l
2
<
M
g
C
l
2
<
B
e
C
l
2
(b) melting point :
B
e
C
l
2
<
M
g
C
l
2
<
C
a
C
l
2
<
S
r
C
l
2
<
B
a
C
l
2
<
R
a
C
l
2
(c) lattice energy :
R
a
C
l
2
<
B
a
C
l
2
<
S
r
C
l
2
<
C
a
C
l
2
<
M
g
C
l
2
<
B
e
C
l
2
(d) thermal stability :
R
a
C
l
2
<
B
a
C
l
2
<
S
r
C
l
2
<
C
a
C
l
2
<
M
g
C
l
2
<
B
e
C
l
2
Q.
The correct sequence of increasing melting point of
B
e
C
l
2
,
M
g
C
l
2
,
C
a
C
l
2
,
S
r
C
l
2
and
B
a
C
l
2
is
Q.
Find the number of chloride(s) which do not impart
color to the flame from the following :
B
e
C
l
2
,
S
r
C
l
2
,
M
g
C
l
2
,
C
a
C
l
2
,
B
a
C
l
2
Q.
Arrange the following properties, as indicated, in the increasing order :
L
a
t
t
i
c
e
e
n
e
r
g
y
o
f
B
e
C
l
2
,
M
g
C
l
2
,
C
a
C
l
2
,
S
r
C
l
2
Q.
Arrange
B
e
C
l
2
,
M
g
C
l
2
,
C
a
C
l
2
,
S
r
C
l
2
a
n
d
B
a
C
l
2
according to their increasing tendency of hydrolysis :
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