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Which is the best description of the beh...

Which is the best description of the behaviour of bromine in the reaction given below
`H_(2)O+Br_(2) rarr HOBr+HBr`

A

Oxidised only

B

Reduced only

C

Proton acceptor only

D

Both oxidised and reduced

Text Solution

Verified by Experts

The correct Answer is:
D
`H_(2)O+underset(0)(Br_(2)) rarr underset(+1)(HOBr)+underset(-1)(HBr)`
In the above reaction the oxidation number of `Br_(2)` increases from zero (in `Br_(2)`) to `+1` (in `HOBr`) and decreases from zero `(Br_(3))` to `-1` (in `HBr`). Thus `Br_(2)` is oxidised as well as as reduced and hence it is a redox reaction.
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With respect to halogen or iodide ion four reactions are give below (P) Cl_(2)+H_(2)O_(2) rarr 2HCl+O_(2) (Q) Br_(2)+H_(2)O_(2) rarr 2HBr+O_(2) ( R) I_(2)+H_(2)O_(2) rarr 2HI +O_(2) (S) I^(-)+H_(2)O_(2) rarr 2OH^(-)+I_(2) The correct reactions are :

Knowledge Check

  • Which of the following is the best description of the behaviour of bromine in the reaction given below? H_2O+Br_2 rarr HOBr+HBr

    A
    Proton acceptor only
    B
    Both oxidised and reduced
    C
    Oxidised only
    D
    Reduced only

  • Which is the best decription of behaviour of bromine in the reaction given below ? H_(2)O + Br_(2) HBR + HOBr

    A
    Only oxidised
    B
    Only reduced
    C
    Both oxidised and reduced
    D
    Only proton accepted

  • Which of the following is the best description for the behaviour of bromine in the reaction given below? H_(2)O+Br_(2) to HOBr+HBr

    A
    Proton acceptor only
    B
    Both oxidized and reduced
    C
    Oxidized only
    D
    Reduced only
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