Molecular Formula
Molecular Formula
Molecular or Chemical Formula:
A molecular formula is a representation of a chemical compound using a set of symbols for the atoms of elements present in a molecule of the compound, and shows the actual number of atoms of each element of the compound. In some cases, empirical and molecular formulas are same, e.g., methane (), boron trichloride (
), etc.
Molecular formula is calculated as :
Illustration: The empirical formula of Boron Hydride is . Calculate molecular formula when the measured mass of the compound is 27.66u.
Which of the following is the molecular formula for boron trichloride ? | |||
| Right Option : B | |||
| View Explanation | |||
What is the molecular formula of Benzene ? | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) The empirical formula of Boron Hydride is BH3. (b) The molecular formula of Boron Hydride is B2H6. | |||
| Right Option : C | |||
| View Explanation | |||
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