Question

Which of the following are isomers
1) Ethanol and ethoxy ethane

2) Methanol and methoxy methane

3) Propanoic acid and ethyl acetate

4) Propionaldehyde and acetone​

Answer 1

Answer:

3.propanoic scid and ethyl acetate

Explanation:

this is right because of isomers

Answer 2

Option 4 is the right answer.

Aldehydes and Ketones are Functional Group Isomers.

The formula of Propionaldehyde is CH3CH2CHO

The formula of Acetone is CH3COCH3

Since both have same no of of Carbons, Oxygen and Hydrogens they are Isomers.