MHT CET Chemistry Question (2026) — Solution

Step-by-step solution

The chemical formula of potassium ferrocyanide is K_4[Fe(CN)_6]. The dissociation reaction is: K_4[Fe(CN)_6] 4K^+ + [Fe(CN)_6]^ 4- The number of ions produced per formula unit, n = 5. The degree of dissociation, = 60\% = 0.60. The van't Hoff factor i is given by: i = 1 + (n - 1) Substituting the values: i = 1 + (5 - 1) 0.60 i = 1 + 4 0.60 i = 1 + 2.4 = 3.4 Answer: 3.4