Question

1. which is the correct name for the compound n₂o₄?

tetranitrogen dioxide
dinitrogen tetroxide
dinitrogen (iv) oxide
nitrogen oxide

Explanation:

In naming covalent compounds, prefixes indicate the number of atoms. "Di -" means two (for nitrogen atoms, \(N_2\)), and "tetra -" means four (for oxygen atoms, \(O_4\)). So \(N_2O_4\) is named dinitrogen tetroxide. "Tetranitrogen dioxide" would imply four nitrogen and two oxygen (\(N_4O_2\)), which is incorrect. "Dinitrogen (IV) oxide" uses an incorrect naming convention for covalent compounds (Roman numerals are for ionic compounds with variable - charge metals). "Nitrogen oxide" is too vague as it doesn't specify the number of atoms.

Answer:

B. Dinitrogen tetroxide