If the Endothermic Reaction Has Reached Equilibrium, What Is

Multiple Choice

If the endothermic reaction has reached equilibrium, what is the effect of raising the temperature of the reaction vessel?

A) The reaction will shift from the left to the right.
B) The reaction will shift from the right to the left.
C) There will be no further reaction.
D) Whether the reaction will shift to the left or the right depends on the initial temperature.