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Which of the following is most effective in causing the coagulation of ferric hydroxide sol?
  • a)
    KCl
  • b)
    KNO₃
  • c)
    K₂SO₄
  • d)
    K₃[Fe(CN)₆]
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Which of the following is most effective in causing the coagulation of...
Colloidal particles in ferric hydroxide carry a positive charge and hence ferric hydroxide is positively charged. according to hardy - Schulz rule, active ion for the coagulation of ferric hydroxide solution must be the negative charged, highest the negative charge of active ion, most effective coagulating active ion.
K3(FE(CN)6) *-3splits into3K*+ and FE(CN6)*-3
and this has highest negative charge.
the correct answer is option "D"
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Which of the following is most effective in causing the coagulation of ferric hydroxide sol?a)KClb)KNOc)KSOd)K[Fe(CN)]Correct answer is option 'D'. Can you explain this answer?
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