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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

What causes the bleaching action of chlorine in the presence of moisture?

Options

  1. AFormation of hypochlorous acid (HOCl)
  2. BFormation of hydrogen chloride (HCl)
  3. CFormation of oxygen gas (O 2 )
  4. DFormation of water (H 2 O)

Correct answer

A. Formation of hypochlorous acid (HOCl)

Step-by-step solution

The bleaching action of chlorine in the presence of moisture is caused by the formation of hypochlorous acid (HOCl), which provides nascent oxygen for bleaching.

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