Question

Which of the following are isomers?

Options

• Ethyl alcohol and dimethyl ether

• Methyl alcohol and dimethyl ether

• Acetone and acetaldehyde

• Propionic acid and propanone

Answer 1

Ethyl alcohol and dimethyl ether

Explanation:

Isomers have the same molecular formula but different structural arrangements. Both ethyl alcohol (CH₃CH₂OH) and dimethyl ether (CH₃OCH₃) share the exact same formula: C₂H₆O.