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AIEEE 2011 Solved Paper
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© examsnet.com
Question : 3
Total: 91
Among the following the maximum covalent character is shown by the compound:
SnCl
2
AlCl
3
MgCl
2
FeCl
2
Validate
Solution:
Charge of cation/Size of cation is called polarising power.
∴
(i) Polarising power
∝
charge of cation
(ii) Polarising power
∝
1
size of cation
Here the
AICl
3
is satisfying the above two conditions i.e., Al is in
+
3
oxidation state and also has small size. So it has more covalent character.
© examsnet.com
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