Which of the following statements is incorrect?

1. A. Lyophilic sols are more stable than lyophobic sols
2. B. In coagulation of a negative sol, flocculating power is in the order of Al 3+ > Ba 2+ > Na +
3. C. In the flocculation of a positive sol, flocculating power is in the order, Cl - > SO4 2- > PO4 3- > [Fe(CN)6] 4-
4. D. Lyophilic colloids have greater affinity for solvents

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