JEE Main & Advanced Chemistry Alkali Metals Question Bank Alkali Metals

  • question_answer When sodium is heated with moist air, then the product obtained is [AIIMS 1999]

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

    B) \[NaOH\]

    C) \[N{{a}_{2}}C{{O}_{3}}\]

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

    Correct Answer: A

    Solution :

      \[2Na+\frac{1}{2}{{O}_{2}}\xrightarrow{\text{moist air}}N{{a}_{2}}O\] \[N{{a}_{2}}O+2{{H}_{2}}O\xrightarrow{{}}2NaOH+{{H}_{2}}\].


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