Verified Solution • 2025–26 Session moderate

QAIPMT-2009-Ch-2126: NEET 2009 Chemistry - Class 11 AIPMT-2009-Ch-2126 Solution: The ionization constant of ammonium hydroxide is \(1.77…

The ionization constant of ammonium hydroxide is 1.77×10−51.77\times10^{-5} at 298 K. Hydrolysis constant of ammonium chloride is

Multiple Choice Options

  • A 6.50×10−126.50\times10^{-12}
  • B 5.65×10−135.65\times10^{-13}
  • C 5.65×10−125.65\times10^{-12}
  • D 5.65×10−105.65\times10^{-10}

Step-by-Step Verified Solution

Ammonium chloride is a salt of weak base and strong acid. In this case hydrolysis constant K h can be calculated as K h = K w K b = 10 _ 14 1.77 _ 10 _ 5 = 5.65 _ 10 _ 10

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