Question

How butanone is prepared from alcohol?

Answer 1

Butan-2-ol on controlled oxidation with K₂Cr₂O₇ and dilute H₂SO₄ forms butanone.

\[\begin{array}{cc}
\ce{OH}\phantom{......................................}\ce{O}\phantom{...............}\\
|\phantom{........................................}||\phantom{..............}\\
\ce{\underset{Butan-2-ol}{CH3 - CH} - CH2 - CH3 + [O] ->[K2Cr2O7][dil. H2SO4] \underset{Butanone}{CH3 - C - CH2} - CH3 + H2O}
\end{array}\]