What reactions take place at the cathode and anode when each of the following are electrolyzed in aqueous media? Assume standard conditions.
a. 1.0M NiBr₂ solution
b. 1.0M MnI₂ solution
c. 1.0M AlCl₃ solution
d. 1.0M CoI₂ solution
e. 1.0M AuBr₃ solution