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Question
Chemistry
A metallic oxide reacts with water to form its hydroxide, hydrogen peroxide and also liberates oxygen. The metallic oxide could be
Q. A metallic oxide reacts with water to form its hydroxide, hydrogen peroxide and also liberates oxygen. The metallic oxide could be
1519
199
KCET
KCET 2014
The s-Block Elements
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A
K
O
2
65%
B
N
a
2
O
2
19%
C
C
a
O
9%
D
L
i
2
O
7%
Solution:
Potassium superoxide reacts with water as follows
2
K
O
2
+
2
H
2
O
→
2
K
O
H
+
H
2
O
2
+
O
2