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KCET2015ChemistryIonic Equilibrium

The aqueous solution of following salt will have the lowest ( pH ) :

Options

  1. A( NaClO ₃ )
  2. BN aCl O
  3. C( NaClO ₂ )
  4. D( NaClO ₄ )

Correct answer

D. ( NaClO ₄ )

Step-by-step solution

The pH of the aqueous solution of the following salts depend on corresponding acid. NaClO + H ₂ O NaOH + HClO NaClO ₄+ H ₂ O NaOH + HClO ₄ NaClO ₃+ H ₂ O NaOH + HClO ₃ NaClO ₂+ H ₂ O NaOH + HClO ₂ HClO ₄ is the strongest acid, therefore, its salt solution will have the lowest pH value.

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