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AMU Engineering 2020 solved paper Solved Paper
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© examsnet.com
Question : 61
Total: 150
The correct order of increasing covalent character is
L
i
C
l
<
N
a
C
l
<
B
e
C
l
2
B
e
C
l
2
<
N
a
C
l
<
L
i
C
l
2
N
a
C
l
<
L
i
C
l
<
B
e
C
l
2
B
e
C
l
2
2
<
L
i
C
l
<
N
a
C
l
Validate
Solution:
As per Fajan's rule
(i) More be the charge on cation\/anion, more be the covalent nature.
(ii) For similar charges, smaller be the size of cation, more be the covalent nature. Thus, correct order of covalent nature is
B
e
C
l
2
>
L
i
C
l
>
N
a
C
l
© examsnet.com
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