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Question: Answered & Verified by Expert
The ionization constant of nitrous acid is 4.5 × 10-4. Calculate the pH of 0.04 M sodium nitrite solution and also its degree of hydrolysis.
ChemistryIonic EquilibriumNEET
Options:
  • A pH = 8.00, Degree of hydrolysis (α) = 0.0000023
  • B pH = 3.50, Degree of hydrolysis (α) = 0.0000009
  • C pH = 3.20, Degree of hydrolysis (α) = 0.0000012
  • D pH = 3.10, Degree of hydrolysis (α) = 0.0000012
Solution:
1927 Upvotes Verified Answer
The correct answer is: pH = 8.00, Degree of hydrolysis (α) = 0.0000023
Correct Option is : (A)
pH = 8.00, Degree of hydrolysis (α) = 0.0000023

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