Organic Compounds

Question 11 • EO Chemistry 7320C

Which of the following best explains why a structural formula of a chemical compound is more useful than a molecular formula?

Answer

Both formulas identify the specific atoms in a particular compound. However, a structural formula also shows how the atoms in a compound are bonded together.

Both formulas identify the types of atoms in a particular compound. However, a structural formula also shows how many atoms of each type are in a compound.

Both formulas show the location of each valence electron in a particular compound. However, a structural formula also shows the ratio of protons to neutrons within a compound.

Both formulas show the ratio of protons to neutrons within a particular compound. However, a structural formula also shows the location of each valence electron in a compound.

Explanation

A molecular formula tells you which elements are present and how many atoms of each element are in a molecule, but it does not show how those atoms are connected. A structural formula shows the bonds and arrangement of atoms, so it provides more information about the compound. Therefore, choice A is correct.

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