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p-Block elements
Hard
Question
Al
2
O
3
can be converted to anhydrous AlCl
3
by heating :
Options
A.
hydrated Al
2
O
3
with Cl
2
gas
B.
Al
2
O
3
with aqueous HCl
C.
Al
2
O
3
with NaCl in solid state
D.
a mixture of Al
2
O
3
and carbon in dry Cl
2
gas
Solution
Al
2
O
3
+ 3Cl
2
+ 3C
2AlCl
3
+ 3CO.
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2AlCl3 + 3CO.