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MHT CET202416 May 2024Evening ShiftChemistryIonic EquilibriumActual

Calculate the pH of 0.02 M monobasic acid having 2 % dissociation.

Options

  1. A3.4
  2. B4.5
  3. C5.1
  4. D5.8

Correct answer

A. 3.4

Step-by-step solution

aligned & HA H _ ( aq ) ⁺+ A _ ( aq ) ⁻ & [ H ]⁺= C = 2 100 0.02 ~m =0.0004 ~m & pH =- [ H ⁺ ]=- (0.0004)=3.4 aligned

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