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Q. Chlorine acts as a bleaching agent only in presence of

CMC MedicalCMC Medical 2007

Solution:

Bleaching action of chlorine is only in presence of moisture where nascent oxygen is displaced from $ {{H}_{2}}O $ . $ C{{l}_{2}}+{{H}_{2}}O\xrightarrow{{}}HCl+HClO $ (unstable) $ HClO\xrightarrow{{}}HCl+[O] $