49 Which of the following most closely matches the CC stretching frequency. (A) 3300 (B) 3000 (C) 2200 (D) 1700 (E) 1200 cm-1

46. The rate of a reaction typically increases as the temperature increases because. (A) the A term in the Arrhenius equation increases. ' (B) the fraction of molecules with kinetic energy greater than Ea increases. (C) the activation energy decreases. (D) the activation energy increases. (E) the molecules make more collisions with the wall of the reaction vessel.