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Question: Answered & Verified by Expert
As per Hardy-Schulze formulation, the flocculation values of the following for ferric hydroxide sol are in the order:
ChemistrySurface ChemistryJEE MainJEE Main 2020 (08 Jan Shift 1)
Options:
  • A K3FeCN6<K2CrO4<KBr=KNO3=AlCl3
  • B K3FeCN6<K2CrO4<AlCl3<KBr<KNO3
  • C AlCl3>K3FeCN6>K2CrO4>KBr=KNO3
  • D K3FeCN6>AlCl3>K2CrO4>KBr>KNO3
Solution:
1645 Upvotes Verified Answer
The correct answer is: K3FeCN6<K2CrO4<KBr=KNO3=AlCl3
According to hardy-schultz rule,
Coagulation value or flocculation value 1Coagulationpower

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