The reaction Cl2(g) + 2OH– (aq) → CIO– (aq) + Cl– (aq) + H2O(l) represents the process of bleaching. Identify and name the species that bleaches the substances due to their oxidising action.
In the given reaction, the species that bleaches substances due to their oxidizing action is CIO– (aq). This species is known as the hypochlorite ion. It is the active ingredient in bleach and is responsible for the bleaching action. The hypochlorite ion oxidizes the substances it comes into contact with, leading to their decolorization or "bleaching".
In this reaction O.N. of Cl increases from 0 in Cl2 to +1 in CIO- and decreases to -1 in Cl- .Therefore Cl2 is both oxidized to CIO- and reduced to Cl- . Since Cl- ion cannot act as an oxidizing agent because it cannot decrease its O.N. lower than -1 therefore Cl2 bleaches substances due to oxidizing action of hypochlorite ClO ion
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In the given reaction, the species that bleaches substances due to their oxidizing action is CIO– (aq). This species is known as the hypochlorite ion. It is the active ingredient in bleach and is responsible for the bleaching action. The hypochlorite ion oxidizes the substances it comes into contact with, leading to their decolorization or "bleaching".
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Explanation:
In this reaction O.N. of Cl increases from 0 in Cl2 to +1 in CIO- and decreases to -1 in Cl- .Therefore Cl2 is both oxidized to CIO- and reduced to Cl- . Since Cl- ion cannot act as an oxidizing agent because it cannot decrease its O.N. lower than -1 therefore Cl2 bleaches substances due to oxidizing action of hypochlorite ClO ion