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Equilibrium — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryEquilibrium1 Mark
MCQ
Which of the following is not a buffer solution?
  • A
    CH3​COOH + CH3​COONa
  • B
    H3​BO3​ + Na3​BO3​
  • C
    HClO4​ + NaClO4​
  • D
    NH4​OH + (NH4​)2​SO4​
✓

Answer

  1. HClO4​ + NaClO4

Explanation:

A buffer solution is a mixture of a weak acid or a weak base and its salt.

In the given question, CH3​COOH and H3​BO3​ are weak acids whereas NH4​OH is a weak base. HClO4​ is a strong acid, its mixture with its salt cannot be a buffer solution according to the definition of buffer solution.

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