Surface Chemistry: NEET 2022

Given below are two statements: **Statement I:** In the coagulation of a negative sol, the flocculating power of the three given ions is in the order $\mathrm{Al^{3+}>Ba^{2+}>Na^{+}}$. **Statement II:** In the coagulation of a positive sol, the flocculating power of the three given salts is in the order $\mathrm{NaCl>Na_2SO_4>Na_3PO_4}$. In the light of the above statements, choose the most appropriate answer from the options given below: