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Question
Chemistry
Heating an aqueous solution of aluminium chloride to dryness will give
Q. Heating an aqueous solution of aluminium chloride to dryness will give
2441
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A
A
l
(
O
H
)
C
l
2
11%
B
A
1
2
O
3
59%
C
A
l
2
C
l
6
22%
D
A
I
C
I
3
8%
Solution:
The solution of aluminium chloride in water is acidic due to hydrolysis.
A
lC
I
3
+
3
H
2
O
→
A
l
(
O
H
)
3
+
3
H
Cl
−
On heating it till dryness
A
l
(
O
H
)
3
is converted into
A
I
2
O
3
2
AI
(
OH
)
X
3
Δ
A
/
i
X
2
O
X
3
+
3
H
X
2
O