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Which of the following staement (s) is//...

Which of the following staement (s) `is//are` not true about the following decomposition reaction
`2KCIO_(3)rarr2KCI+3O_(2)`

A

Potassium is undergoing oxidation

B

Chlorine is undergoing oxidation

C

Oxygen is reduced

D

None of the species are undergoing oxidation or reduction

Text Solution

Verified by Experts

writing the O.N each element above its symbol we have
`2KCIO_(3)rarr 2DCI+3O_(32)`
(a) since O.N of k does not change therefore K neither undergoes reduction nor oxidation thus option (a) is not corret
(b) since O.N of CI decreases form +5 in `KCIO_(3)` to -1 in KCI therefore CI undergoes reductio i.e option (b) isnot correct
(c ) O.N of O increses form -2 in `KIO_(3)` ot 0 in `O_(2)` therefore O is oxidised i.e option (c ) not correct ltbRgt (d) This statement is not correct because CI undergoing reduction and O is undergoing oxidation Thus all option are incorrect
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Knowledge Check

  • Which of the following statement (s) is /are not true about the following decomposition reaction. 2KClO_3 rarr 2KCl+3O_2

    A
    Potassium is undergoing oxidation
    B
    Chlorine is undergoing oxidation
    C
    Oxygen is reduced
    D
    None of species are undergoing oxidation or reduction

  • Which of the following statements are not true about the following decomposition reaction? 2KCIO_3 to 2KCI +3O_2

    A
    Potassium is undergoing oxidation.
    B
    Chlorine is undergoing oxidation.
    C
    Oxygen is reduced
    D
    None of the species are undergoing oxidation or reduction.

  • Which of the following statement is not true about the following decomposition reaction. 2KClO_(3)to2KCl+3O_(2)

    A
    potassium is neither undergoing oxidation nor reduction
    B
    chlorine is undergoing reaction
    C
    oxygen is oxidised
    D
    None of the species undergoing oxidation or reduction