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 are correct : (a) CH4 is the molecular formula of Methane. (b) BCl2 is the molecular formula Boron trichloride. (c) The empirical formula of Boron Hydride is BH3 . | |||
| Right Option : C | |||
| 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 | |||
Which of the following are correct : (a) The molecular formula is equals to (n X empirical formula). (b) The empirical formula of Boron Hydride is | |||
| Right Option : C | |||
| View Explanation | |||
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