Question

How will you effect given two-step conversion?
Butanone into but-2-ene

Answer 1

Step 1:

Sodium borohydride needs to be added to the reaction. Add the Sodium borohydride along with the mixture in an ethanolic solvent(Here the butanol gets advised, or else you might need to split the two alcohols using the fractional distillation method)

Step 2:

Now, soak mixture in wool made in cotton, and place it in the similar looking tool. finally. covering the measuring will give you the but-2-ene.