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MHT CET202210 Aug 2022Evening ShiftChemistrySolutionsActual

What is the pH of 2 10⁻³ M solution of monoacidic weak base if it ionizes to the extent of 5 %

Options

  1. A10
  2. B6
  3. C4
  4. D14

Correct answer

C. 4

Step-by-step solution

aligned & [ H ⁺ ]= c & C =2 10⁻³ M & =0.05 & [ H ⁺ ]=2 10⁻³ 0.05 & =1 10⁻⁴ M & pH =4 aligned

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