[单选题]
Colorimetry was used to determine ther 2 bj.uyp0+wukjlws:5a)1br change in color cuj3zxpm;/v ,l2bo--k -eiwz for the below system at equilibrium as temperature increasekbm3iw2v- z /,jo-e-zlx ;p ucs.
Which statement(s) is/are correct for the following reaction?
I.The forward reaction is exothermic
II.The backward reaction absorbs energy
III.$K_c$ decreases with increasing temperature
A. I only
B. II only
C. I and III only
D. I, II, and III
