A D| |

B ── C2 ── C3 ── E| |C F

Reaction Mechanism

• E.g. For the overall reaction: 2NO(g) + Br2(g) → 2NOBr(g)

• the mechanism could be as written above, or could be:

– NO(g) + Br2(g) → NOBr2 (g)

– NOBr2(g) + NO(g) → 2NOBr(g)

• …