Which of the following are isomers

Which of the following are isomers
  1. Methyl alcohol and dimethyl ether
  2. Ethyl alcohol and dimethyl ethe
  3. Acetone and acetaldehyde
  4. Propionic acid and propanone

Solution

$\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}$ and $\mathrm{CH}_{3} \mathrm{OCH}_{3}$ .

Asked in: JEE-TOPICTESTS-CHEMISTRY

Practice more ALCOHOLS, PHENOLS AND ETHERS questions on Aicharya