Question

Give the action of Clemmenson's reduction on 2-butenal?

Answer 1

The Clemmensen Reduction is the conversion of an aldehyde or a ketone to an alkane by zinc amalgam and concentrated hydrochloric acid.

Explanation:

The overall reaction is

The reaction does not reduce alkenes.

For but-2-enal, the equation is

`underbrace("CH"_3"CH=CHCHO")_color(red)("but-2-enal") stackrelcolor(blue)("Zn(Hg), conc. HCl"color(white)(m))(→) underbrace("CH"_3"CH=CHCH"_3)_color(red)("but-2-ene")`