The conversion of coal or methane to formaldehyde involves which of the following sequences of reactions?
A) three successive oxidations
B) three successive reductions
C) reduction, oxidation, and reduction
D) oxidation, reduction, and oxidation

Question

Quizplus · Accepted Answer

The conversion of coal or methane to formaldehyde involves oxidation to form a formyl group (-CHO), then reduction of the formyl group to formaldehyde, followed by oxidation of formaldehyde to formic acid or further oxidation to carbon dioxide and water. Therefore, the correct sequence of reactions is oxidation, reduction, and oxidation, which is option D.

The Conversion of Coal or Methane to Formaldehyde Involves Which