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JEE Main2017ChemistryIonic EquilibriumActual

50 mL of 0 .2 M ammonia solution is treated with 25 mL of 0 . 2 M HCl . If pK b of ammonia solution is 4 . 75 , the pH of the mixture will be:

Options

  1. A8 . 25
  2. B9 . 25
  3. C3 . 75
  4. D4 . 75

Correct answer

B. 9 . 25

Step-by-step solution

                                           NH 3            +                      

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