Final answer:
A molecule with the formula C1H1N1O1 likely has a structure H-C≡N-OH satisfying the valence rule HONC 1234. The given formula differs from C2H4O2 that represents acetic acid, with distinct bonding.
Step-by-step explanation:
To create a molecule with the formula C1H1N1O1, we must ensure that the valences of each atom are satisfied. The mnemonic HONC 1234 can be used here, indicating that hydrogen (H) forms 1 bond, oxygen (O) forms 2 bonds, nitrogen (N) forms 3 bonds, and carbon (C) forms 4 bonds. Since there is only one of each element in our formula, arranging them to satisfy the valences leads to the most likely structure being H-C≡N-OH, where carbon and nitrogen form a triple bond, and oxygen forms a single bond with hydrogen and a single bond with carbon.
The empirical formula C2H4O2 suggests a different molecule, which commonly represents acetic acid (CH3COOH). This formula also respects the valences of each atom, with two carbons forming single bonds with each other, and each with two hydrogens, while the oxygen atoms form double bonds, one of which is with carbon and the other with hydrogen.