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QJEEM13Cha258: JEE Main 2013 Chemistry - Class 12 JEEM13Cha258 Solution: The coagulating power of electrolytes having ions Na + , Al 3+…

The coagulating power of electrolytes having ions Na+, Al3+ and Ba2+ for arsenic sulphide sol increases in the order:

Multiple Choice Options

  • A Na+ < Ba2+ < Al3+
  • B Al3+ < Ba2+ < Na+
  • C Ba2+ < Na+ < Al3+
  • D Al3+ < Na+ < Ba2+

Step-by-Step Verified Solution

According to Hardly Schulze rule, greater the charge or cation, greater is its coagulating power for negatively charged solution. Hence the correct order of coagulating power : Na+<Ba2+<Al3+

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