The chlorination of the iron (III) ion is an endothermic reaction.

Fe^3+(aq) + 2Cl-(aq) ↔ FeCl^2+(aq)


Predict the effect of increasing the reaction temperature.
A) no effect
B) increase in Cl-(aq) concentration
C) increase in Fe3+(aq) concentration
D) increase in FeCl2+(aq) concentration