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Tardigrade
Question
Chemistry
Among the oxides, Mn2O7(I),V2O3(II), V2O5(III),CrO(IV) and Cr2O3(V), the basic oxides are
Q. Among the oxides,
M
n
2
O
7
(
I
)
,
V
2
O
3
(
II
)
,
V
2
O
5
(
III
)
,
C
r
O
(
I
V
)
and
C
r
2
O
3
(
V
)
,
the basic oxides are
1567
209
MGIMS Wardha
MGIMS Wardha 2014
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A
I and II
B
II and III
C
III and IV
D
II and IV
Solution:
The oxides of metals in their lower oxidation states are basic, e.g,
V
2
O
3
and
C
r
O
.