Question

The first and second members, respectively, of the ketone homologous series are?

• A. propanone, butanone
• B. methanone, ethanone
• C. ethanone, propanone
• D. butanone, propanone

Answer 1

Answer:

A. propanone, butanone

• The ketone homologous series starts with propanone (CH₃COCH₃) as the simplest ketone because a ketone requires at least three carbon atoms. The next member iso butanone (CH₃COC₂H₅)