Sitetie chemacademy 74 102 in the temperature range of 250 k to 450 k, the pre-exponenttal 1actor, a, lor the reaction ckg)+ h,(g)hc(g)+h(g) is found to be equa

Sitetie CHEMACADEMY 74 102 In the temperature range of 250 K to 450 K, the pre-exponenttal 1actor, A, lor the reaction Ckg)+ H,(g)HC(g)+H(g) is found to be equal to 1.20 10 dn' mol's.ffMCl)-35 4e gmol, M[H,]-2.016g mol", d(C) = 200 pm and dfH,]= 150 pm, the valine of the steric fac 453 Pis (c) 0.55 (d) 0.77 (a) 0.11 (b) 0.33