The decomposition of N2 O into N2 and O in the presence of gaseous argon follows second order kinetics with k = (5 x 1011 L mol-1 s-1)e-29000k/T then the energy of activation of this reaction is
(A) 241 J/mol
(B) 290 J/mol
(C) 200 J/mol
(d) 392 J/mol