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Question 600438
JEE Chemistry · Hard

Chemical and Ionic Equilibrium: pH calculation MCQ

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pH calculationHardQuestion 600438

Question

100 mL of 0.2 M HCl is mixed with 100 mL of 0.1 M Ba(OH)₂. The resulting pH is:
  1. A
    7
    Correct
  2. B
    1
  3. C
    13
  4. D
    12

Correct answer

7

Explanation

HCl supplies 0.02 mol H⁺. The 0.01 mol Ba(OH)₂ supplies 0.02 mol OH⁻, so neutralisation is exact and the resulting solution has pH 7 at 25°C.

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