Question

When CO is reacted with Ferric oxide, the product obtained is
A.$\text{F}{{\text{e}}_{8}}{{\text{O}}_{4}}$
B.Fe
C.Ferrous carbonate
D.Ferric carbonate

Answer 1

Hint: Ferric oxide is an oxide of iron. Most of the iron oxide are reduced to iron by using carbon monoxide gas. Iron is the most used metal in the industry because most machinery, part steel, and other alloys of another metal are prepared by using iron. Iron is a transistor series in periodic table.

Complete step by step answer:
Carbon Monoxide gas is used to reduce the iron oxide to iron metal. In this when ferric oxide i.e $\text{F}{{\text{e}}_{2}}{{\text{O}}_{3}}$ react with carbon dioxide forms carbon dioxide gas and Fe. Here the reduction of iron takes places where as oxidation of the carbon monoxide takes place as in this Co monoxide change to carbon dioxide by addition of oxygen.
$3\text{ CO}\left( \text{g} \right)+\text{F}{{\text{e}}_{2}}{{\text{O}}_{3}}\left( \text{g} \right)\to 2\text{ Fe}\left( \text{l} \right)+3\text{ C}{{\text{O}}_{2}}\left( \text{g} \right)$

Hence, Option ‘B’ is correct i.e Fe.

Note:
Note that iron occurs in nature in combined form with oxide and sulphide that is called ore of iron metal. Some of iron ore are magnetite, hematite, dynomite; siderite and iron pyrites.
Another oxide of iron that reacts with Co shows the following reaction.
$\begin{align}
  & \text{CO}\left( \text{g} \right)+\text{F}{{\text{e}}_{3}}{{\text{O}}_{4}}\left( \text{g} \right)\to 3\text{ Fe O}\left( \text{s} \right)+\text{C}{{\text{O}}_{2}}\left( \text{g} \right) \\
 & \text{CO}\left( \text{g} \right)+\text{Fe}\left( \text{o} \right)\to \text{Fe}\left( \text{e} \right)+\text{C}{{\text{O}}_{2}}\left( \text{g} \right) \\
\end{align}$