I need help with this ASAP please and thank you I struggle with chem

The reaction q+r2=r2q is found to be first order in r2 and

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?