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Question
Chemistry
Carbon monoxide is used as a reductant. It reduces
Q. Carbon monoxide is used as a reductant. It reduces
117
141
The p-Block Elements
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A
only metal oxides of alkali and alkaline earth metals
B
all metal oxides
C
all metal oxides except
A
l
2
O
3
, alkali metal and alkaline metal oxides
D
None of the above
Solution:
CO
reduces all metal oxides except
A
l
2
O
3
, alkali and alkaline earth metal oxides. A few reduction reactions are given below :
F
e
2
O
3
(
s
)
+
3
CO
(
g
)
⟶
2
F
e
(
s
)
+
3
C
O
2
(
g
)
Z
n
O
(
s
)
+
CO
(
g
)
Δ
Z
n
(
s
)
+
C
O
2
(
g
)