Answer
Electrolyte: $NH_{4}Cl, HCl, Zn(CH_{3}COOH)_{2}, Cu(NO_{3})_{2}, LiOH, KHCO_{3}, K_{2}SO_{4}$
Nonelectrolyte: $C_{6}H_{6}, CH_{3}CH_{2}OH, C_{12}H_{22}O_{11}, CCl_{4}, I_{2}$
Work Step by Step
Note: Non-electrolytes do not ionize in water.