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QJEEM21Cha951: JEE Main 2021 Chemistry - Class 12 JEEM21Cha951 Solution: For the coagulation of a negative sol, the species below, that…

For the coagulation of a negative sol, the species below, that has the highest flocculating power is :

Multiple Choice Options

  • A Na+
  • B Ba2+
  • C PO43−
  • D SO42−

Step-by-Step Verified Solution

For a negative sol, a positive ion is required for flocculation. The greater the valence of the flocculating ion added, the greater is its power to cause precipitation. This is called Hardy-Schulz law.

So, Ba+2 has highest flocculating power.

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