Question

What is formed when a primary alcohol undergoes catalytic dehydrogenation?

• A. Aldehyde
• B. Ketone
• C. Alkene
• D. Acid

Answer 1

Answer: (A)

Aldehyde

Answer 2

Aldehydes can be prepared by the dehydrogenation of primary alcohols. It is carried out by passing the vapour of primary alcohol over reduced copper at 573 K. $1^\circ$ alcohol gives aldehyde by catalytic dehydrogenation