Question

What qualitative information is given by the formula ${\mathrm{NH}}_3$.

Answer 1

Chemical formula:

• The symbolic representation of a molecule of a compound is called its chemical formula.
• To write the formula of a chemical substance, the valency and the symbol of the various atoms or radicals present in it must be known.

For example, the chemical formula of sulphuric acid is ${\mathrm{H}}_2{\mathrm{SO}}_4$.

• The chemical name of ${\mathrm{NH}}_3$ is ammonia.
• In this formula, there are 3 atoms of hydrogen and 1 atom of nitrogen.
• This compound mostly exists in a gaseous state and has a pungent smell which is it's characteristic.
• It causes irritation in the eyes, skin, nose, lungs as well as in the throat.
• Ammonia is used in many biological processes and is also found in many industrial applications.