Question

State whether the following statements are true or false. In case a statement is false, write the corrected statement in your notebook.

Iron and rust are the same substances.

• A. True
• B. False

Answer 1

The correct option is B False

Explanation for the correct option

Iron :

• Iron is metal that belongs to the d-block in the periodic table.
• The symbol of iron is $\mathrm{Fe}$.
• The atomic mass is 55.845 u.The atomic number is 26.
• The electronic configuration is $\left[\mathrm{Ar}\right]3{\mathrm{d}}^{6}4{\mathrm{s}}^2$.

Rust :

• Rust is a product that is formed when the iron is exposed to oxygen and water.
• The reaction of rusting is: $\underset{\mathrm{Iron}}{4\mathrm{Fe}}+\underset{\mathrm{Oxygen}}{3{\mathrm{O}}_2}+\underset{\mathrm{Water}}{{\mathrm{xH}}_2\mathrm{O}}\to \underset{\mathrm{Rust}}{2{\mathrm{Fe}}_2{\mathrm{O}}_3.{\mathrm{xH}}_2\mathrm{O}}$.
• Therefore, rust and iron are different compounds.

Hence the given statement is false and the correct statement for the false one is rust and iron are different compounds.