CO and NO react under the action of a catalyst to generate chemical formulas for CO2 and N2.
N from +2 to 0 price 2e * 2
C from +2 to +4 price 2e * 2
Landlord's question should not know how to match it, with the loss of electronic with a constant match
2CO + 2NO = catalyst = 2CO2 + N2
