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The stability of peroxide and superoxide of alkali metals increase as we go down the group. Explain giving reason.????

0 11 Views | Posted 5 months ago
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    Answered by

    Payal Gupta | Contributor-Level 10

    5 months ago

    This is a long answer type question as classified in NCERT Exemplar

    As the size of metal ions increases, the stability of peroxides and superoxides increases. Peroxide and superoxide ions combine with a large size of alkali metals. Lithium forms monoxide, sodium forms peroxide and potassium, rubidium and caesium forms superoxide.

    Li+O2→Li2O

    Na+O2→Na2O2

     K+O2→KO2

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