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Chlorine water has both oxidising as wel...

Chlorine water has both oxidising as well as bleaching properties ? Explain.

Text Solution

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Chlorine reacts with water to evolve nascent oxygen which brings about both oxidation and bleaching.
As oxidising agent :
`{:(Cl_(2)+H_(2)O to 2HCl+O),(underline(SO_(2)+H_(2)OtoH_(2)SO_(4)" ")),(Cl_(2)+SO_(2)+2H_(2)Oto2HCl+H_(2)SO_(4)):}`

As bleaching agent :
`Cl_(2)+H_(2)O to 2HCl+(O)`
Coloured substance`+ (O)to` Colourless product

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Account for the following : Chlorine water has both oxidising and bleaching properties.

Account for the following : (a) Chlorine water has both oxidising and bleaching properties. (b) H_(3)PO_(2) and H_(3)PO_(3) act as good reducing agents while H_(3)PO_(4) does not. (c) On addition of ozone gas to KI solution, violet vapours are obtained.

Knowledge Check

  • Assertion (A): Chlorine water has both oxidising as well as bleaching properties. Reason (R): Chlorine reacts with water to evolve nascent oxygen.

    A
    Both A and Rare true and R is the correct ex planation of A
    B
    Both A and Rare true but R is not the correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • Assertion (A): Chlorine water has both oxidising as well as bleaching properties. Reason (R): Chlorine reacts with water to evolve nascent oxygen.

    A
    Both A and R are true and R is the correct explanation of A
    B
    Both A and R are true but R is not the correct explanation of A
    C
    A is true but R is false
    D
    A is false but R is true

  • The gas not having oxidizing as well as bleaching properties is

    A
    Chlorine
    B
    Ozone
    C
    `SO_(2)`
    D
    `N_(2)O`

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