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AP EAMCET2005ChemistryHydrogen

The pH of a solution of H ₂ O ₂ is 6.0. Some chlorine gas is bubbled into this solution. Which of the following is correct?

Options

  1. AThe pH of resultant solution becomes 8.0
  2. BHydrogen gas is liberated from resultant solution
  3. CThe pH of resultant solution becomes less than 6.0 and oxygen gas is liberated
  4. DCl ₂ O is formed in the resultant solution

Correct answer

C. The pH of resultant solution becomes less than 6.0 and oxygen gas is liberated

Step-by-step solution

H ₂ O ₂+ Cl ₂ 2 HCl + O ₂ HCl is formed by the reduction of chlorine by H ₂ O ₂ , hence pH further decreases.

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