Question

Which of the following mechanisms are possible for the thermal decomposition of NO₂? The rate of thermal decomposition = k[NO₂]².
a) (2 NO₂ → NO + O₂)
b) (NO₂ → NO + 1/2/O₂)
c) (NO₂ → NO + O₂)
d) (NO₂ → N₂ + O₂)