The Decomposition of N₂O₅ in Solution in Carbon Tetrachloride Proceeds

The decomposition of N₂O₅ in solution in carbon tetrachloride proceeds via the reaction 2N₂O₅ (soln) → 4NO₂ (soln) + O₂ (soln)
The reaction is first order and has a rate constant of 4.82 × 10^-3 s^-1 at 64°C. The rate law for the reaction is rate = __________.

A) k[N₂O₅]²
B)
C) k[N₂O₅]
D)
E) 2k[N₂O₅]