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NEET Sample Paper NEET Sample Test Paper-43

  • question_answer
    The compounds formed upon combustion of sodium metal in excess of air is -

    A) \[N{{a}_{2}}{{O}_{2}}\]                     

    B) Na (Solid)

    C) \[Na{{O}_{2}}\]                                   

    D) NaOH

    Correct Answer: A

    Solution :

    \[2Na+{{O}_{2}}\to N{{a}_{2}}{{O}_{2}}\] (peroxide) K, Rb, Cs in s-block can form super oxide


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