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Question
Chemistry
The laboratory method for the preparation of H2O2 is by:
Q. The laboratory method for the preparation of
H
2
O
2
is by:
1888
191
Rajasthan PMT
Rajasthan PMT 2005
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A
H
2
S
O
4
B
N
H
4
H
S
O
4
C
N
a
2
O
2
+
H
2
S
O
4
D
all the above
Solution:
In laboratory
H
2
O
2
is prepared as below by Merck's process
N
a
2
O
2
+
H
2
S
O
4
⟶
N
a
2
S
O
4
+
Hydrogen peroxide
H
2
O
2