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Chemistry
How many of the following are mixed oxides? Pb3O4,KO2,H2O2,Al2O3,Fe3O4,N2O,Mn3O4
Q. How many of the following are mixed oxides?
P
b
3
O
4
,
K
O
2
,
H
2
O
2
,
A
l
2
O
3
,
F
e
3
O
4
,
N
2
O
,
M
n
3
O
4
129
155
NTA Abhyas
NTA Abhyas 2022
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Answer:
3
Solution:
Mixed oxides are formed from two simple oxides.
(
P
b
)
3
O
4
(
2
P
b
O
+
(
P
b
O
)
2
)
(
F
e
)
3
O
4
(
F
e
O
+
(
F
e
)
2
O
3
)
(
M
n
)
3
O
4
(
(
M
n
O
)
2
+
2
M
n
O
)