Verified Solution • 2025–26 Session moderate

QJEEM02Ch2d1c: JEE Main 2002 Chemistry - Class 12 JEEM02Ch2d1c Solution: Alum helps in purifying water by :

Alum helps in purifying water by :

Multiple Choice Options

  • A forming Si complex with clay particles
  • B sulphate part which combines with the dirt and removes it
  • C coagulating the mud particles
  • D making mud water soluble

Step-by-Step Verified Solution

Alum furnishes Al3+A{l^{3 + }} ions which bring about coagulation of negatively charged clay particles, bacteria etc.

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