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Question
Chemistry
Aluminium on reaction with aqueous KOH solution gives
Q. Aluminium on reaction with aqueous KOH solution gives
1442
268
The p-Block Elements
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A
K
O
2
+
H
2
B
K
A
l
O
2
+
H
2
C
K
2
O
+
H
2
D
K
A
l
O
2
+
H
2
O
Solution:
2
A
l
+
2
K
O
H
+
2
H
2
O
⟶
2
K
A
l
O
2
+
3
H
2
This is called Uyeno's method for the preparation of pure hydrogen.