NEET Sample Paper NEET Sample Test Paper-43

  • question_answer
    Among the following compounds, the one that gets hydrolysed to form metallic hydroxide, hydrogen peroxide and oxygen is :

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

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

    C) \[L{{i}_{2}}{{O}_{2}}\]                                  

    D) \[K{{O}_{2}}\]

    Correct Answer: D

    Solution :

    \[K{{O}_{2}}+HOH\to \text{ }KOH+{{H}_{2}}{{O}_{2}}+{{O}_{2}}\] \[N{{a}_{2}}{{O}_{2}}+2HOH\to 2NaOH+{{H}_{2}}{{O}_{2}}\] \[N{{a}_{2}}\text{O}+HOH\to NaOH\]


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