Questions
Which of the following is not a Lewis acid ?
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By Expert Faculty of Sri Chaitanya
a
AlCl3
b
SnCl4
c
FeCl3
d
AlCl3.6H2O
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Correct option is D
Even though Al+3 has empty d-orbitals in its valency shell ,it cannot extends its coordination number more than "6".Due to small size of Al+3 and presence of six water molecules around the Al+3 ion,there is no scope to extend its coordination number.Hence it cannot accept electron pair,therefore it cannot acts as lewis acid.Similar Questions
Regarding the structure of Al2Cl6 (g) , false statement is
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