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The reaction
Cl_{2} (g) + 2OH^{-} (aq) \rightarrow ClO^{-} (aq) + Cl^{-} (aq) + H_{2}O(l)
represents the process of bleaching. Identify and name the species that bleaches the substances due to its oxidising action.

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The hypochlorite ion (ClO^{-}) formed in the reaction oxidises the colour-bearing stains of the substances to colourless compounds; therefore, in the above reaction, the hypochlorite ion acts as a bleach.

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