Question

Designate the Brønsted–Lowry acid and the Brønsted–Lowry base on the left side of each of the following equations, and also designate the conjugate acid and conjugate base of each on the right side:

(a) NH₄⁺(aq) + CN ^–(aq) HCN(aq) + NH₃(aq)
(b) (CH₃)₃N(aq) + H₂O(l) (CH₃)₃NH +(aq) + OH ^–(aq)
(c) HCOOH(aq) + PO₄^3-(aq) HCOO^-(aq) + HPO₄^2-(aq)