Each reactant of the oxidation reaction, namely QH 2 , QH + 2 , QH -, QH, Q 2 -, and Q -, is accompanied by its target variable E red. . While, pK a is featured by the protonated samples found in the QH 2 , QH + 2 , QH 2+ 2 , QH -, QH, and QH + forms. Deprotonation converts alcohol (C-OH) fragments into ketone (C=O). In addition, QH 2 , QH + 2 , QH -, and QH are considered as reactants for PET reactions when E 0 is the target variable. All the numerical values are imported up to three digits after the decimal point.