(i) write a proton transfer reaction that may occur, using curved arrows to show electron movements.

(ii) write the pKa of the most acidic H on each side of the equation
(iii) State whether reactants or products are favored and by how much

(A) Phenol + sodium ethoxide

(B) Water + potassium acetate

(C) acetylene + lithium hydride

The board can't handle mechanisms.