ChemistryNon-metals and their compoundsWAEC
Moist chlorine bleaches litmus paper because it forms
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Answer: D. hypochlorous acid (HOCl)
Cl₂ + H₂O → HCl + HOCl; the HOCl releases oxygen that bleaches the dye.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.