Rank These Molecules with Respect to the Increasing Oxidation Number

Rank these molecules with respect to the increasing oxidation number of the carbon atom: formic acid (HCOOH) ; methane (CH₄) ; methanol (CH₃OH) ; carbon dioxide (CO₂) ; graphite (C) .

A) formic acid; carbon dioxide; methanol; methane; graphite
B) methanol; methane; graphite; carbon dioxide; formic acid
C) methane; methanol; graphite; formic acid; carbon dioxide
D) carbon dioxide; formic acid; graphite; methanol; methane
E) The oxidation number of carbon is the same in all of these compounds.