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BITSAT2024ChemistryIonic EquilibriumActual

The pH of 1 N aqueous solutions of HCl , CH ₃ COOH and HCOOH follows the order:

Options

  1. AHCl HCOOH CH ₃ OOH
  2. BHCl = HCOOH CH ₃ COOH
  3. CCH ₃ COOH HCOOH HCl
  4. DCH ₃ COOH = HCOOH HCl

Correct answer

C. CH ₃ COOH HCOOH HCl

Step-by-step solution

Stronger the acid, lower is the pH or weaker the acid, higher the pH . The strength of the given acid is in the order HCl HCOOH CH ₃ COOH Hence, their pH is in the order CH ₃ COOH HCOOH HCl

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