Question

The coagulating power of electrolytes having ions Na⁺, Al³⁺ and Ba²⁺ for arsenic sulphide sol increases in the order :(a) Al³⁺ < Ba²⁺ < Na⁺ (b) Na⁺ < Ba²⁺ < Al³⁺(c) Ba²⁺ < Na⁺ < Al³⁺ (d) Al³⁺ < Na⁺ < Ba²⁺

Answer 1

The correct answer is option B