Which of the following electrolytes is least effective in causing flocculation of ferric hydroxide sol?
a)K3Fe(CN)6
B)K2CrO4
c)KBr
d)K2SO4
Which of the following electrolytes is least effective in causing flocculation of ferric hydroxide sol?
a)K3Fe(CN)6
B)K2CrO4
c)KBr
d)K2SO4










