When a plant dies and decays. It reacts with oxygen forming carbon dioxide and water. What element is being oxidized, and which is being reduced?

Question

C6 H6 O5 + 6O2 > 6CO2 + 5H2O

C6 H10 O5= cellulose

Answer 1

Oxygen is reduced from 0 in O2 to 2- in CO2. Carbon is oxidized from -4 to +4.