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Among KO(2), AlO(2)^(-), BaO(2) and NO(2...

Among `KO_(2), AlO_(2)^(-), BaO_(2) and NO_(2)^(+),` unpaired electron is present in 

A

`Na^(+) and BaO_(2)`

B

`KO_(2) and AlO_(2)^(-)`

C

`KO_(2)` only

D

`BaO_(2)` only

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The highest number of unpaired electrons are present in

    A
    `Fe^(0)`
    B
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    A
    5
    B
    4
    C
    3
    D
    2

  • For the reaction, KO_(2) + H_(2)O+CO_(2) rarrKHCO_(3) +O_2 the mechanism of reaction suggests that:

    A
    Acid-base reaction
    B
    Disproportionation reaction
    C
    Hydrolysis
    D
    Redox change

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