Verified Solution • 2025–26 Session moderate

QAIPMT-2009-Ch-2125: NEET 2009 Chemistry - Class 12 AIPMT-2009-Ch-2125 Solution: The ionization constant of ammonium hydroxide is \(1.77…

The ionization constant of ammonium hydroxide is 1.77×10−51.77 \times 10^{-5} at 298 K. Hydrolysis constant of ammonium chloride is 6.50×10−126.50 \times 10^{-12} 5.65×10−135.65 \times 10^{-13} 5.65×10−125.65 \times 10^{-12} 5.65×10−105.65 \times 10^{-10}

Multiple Choice Options

  • A 4 ×\times _ 10 −- _ 4 mol L −- _ 1 s −- _ 1
  • B 6 ×\times _ 10 −- _ 4 mol L −- _ 1 s −- _ 1
  • C 1 ×\times _ 10 −- _ 4 mol L −- _ 1 s −- _ 1
  • D 3 ×\times _ 10 −- _ 4 mol L −- _ 1 s −- _ 1

Step-by-Step Verified Solution

N 2 + 3H 2 _ 2NH 3 _ 1 3 d [ H 2 ] d t = 1 2 d [ N H 3 ] d t _ _ d [ H 2 ] d t = 3 2 d [ N H 3 ] d t = 3 2 _ 2 _ 10 _ 4 = 3 _ 10 _ 4 mol L _ 1 s _ 1

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