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In the reaction 2 KCIO(3) rarr 2KCI+3 O(...

In the reaction `2 KCIO_(3) rarr 2KCI+3 O_(2)` the element which has been oxidised is …………….and the element which has been reduced is ……………

Text Solution

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The correct Answer is:
oxygen chloring
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Assertion :- H_(2)S+Cl_(2)rarr2HCl+S In the above reaction, Cl has been oxidised to Cl^(-) while S^(-2) has been reduced to S Reason :- In a reaction the element whose oxidation number decreases is reduced and the element whose oxidation number increases is oxidised

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Knowledge Check

  • The element which has not yet been reacted with F_(2) is

    A
    Ar
    B
    Xe
    C
    Kr
    D
    Rn

  • In the reaction 3Cl_(2)+6NaOHrarrNaClO_(3)+5NaCl+3H_(2)O the element which loses as well as gains electrons is

    A
    `Na`
    B
    `O`
    C
    `Cl`
    D
    None of these

  • Assertion :- H_(2) is the reducing agent and Cl_(2) is reduced in the reaction. H_(2)+Cl_(2)rarr2HCl Reason :- Reducing agent is the one which has been oxidised and decrease of oxidation number means reduction.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
    B
    If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is False.
    D
    If both Assertion & Reason are False.