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Chemistry
Chemistry
Problem
Cobalt(III) oxide is used as a catalyst in certain industrial processes. Which of the following is its correct chemical formula? a)
C
o
3
O
2
\mathrm{Co_3O_2}
C
o
3
O
2
b)
C
o
2
O
3
\mathrm{Co_2O_3}
C
o
2
O
3
c)
C
o
O
\mathrm{CoO}
CoO
d)
C
o
O
2
\mathrm{CoO_2}
Co
O
2
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