Question

2CO + 2NO yields 2CO2 + N2 which element was oxidized

Answer 1

2C⁺²O⁻² + 2N⁺²O⁻² = 2C⁺⁴O⁻²₂ + N₂⁰

C⁺² → C⁺⁴ + 2e⁻

carbon was oxidized