The plot of log k versus $\frac{1}{T}$is linear with a slope of

(A) $\frac{{E}_{a}}{R}$

(B) $\frac{-{E}_{a}}{R}$

(C) $\frac{{E}_{a}}{2.303R}$

(D) $\frac{-{E}_{a}}{2.303R}$