For the Reaction
HO(g)+ H₂(g) $\rightarrow$ H₂O(g)+ H(g)
a Plot of Versus 1/T Gives a Plot

For the reaction
HO(g) + H₂(g) $\rightarrow$ H₂O(g) + H(g)
A plot of versus 1/T gives a straight line with a slope equal to -5.1 * 10³ K.What is the activation energy for the reaction?

A) 42 kJ.mol^-1
B) 98 kJ.mol^-1
C) 0.61 kJ.mol^-1
D) 5.1 kJ.mol^-1
E) 12 kJ.mol^-1