Using IR spectroscopy,how can you tell the difference between a ketone and an aldehyde? A)A ketone has no carbonyl stretch at 1720 cm^-1. B)An aldehyde has a carbonyl stretch at 1820 cm^-1. C)An aldehyde has two C-H stretches between 2700-2850 cm^-1. D)A ketone has no C-H stretches.

Question

Quizplus · Accepted Answer

Aldehydes show two C-H stretches between 2700-2850 cm^-1 due to the hydrogen attached to the carbonyl carbon, which ketones lack.

Using IR Spectroscopy,how Can You Tell the Difference Between a Ketone