From Arrhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is___________________? August 23, 2021February 23, 2019 by admin From Arrhenius law, a plot of loge K versus 1/T gives a straight line with a slope of (-E/R). The unit of E/R is___________________? A. k cal B. k cal/°KC. °K D. k cal. °K