JEE Main & Advanced Chemistry Hydrogen & Its Compounds Question Bank Hydrogen

  • question_answer Which of the following reaction produces hydrogen [AIIMS 2002]

    A) \[Mg+{{H}_{2}}O\]

    B) \[Ba{{O}_{2}}+HCl\]

    C) \[{{H}_{2}}{{S}_{4}}{{O}_{8}}+{{H}_{2}}O\]

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

    Correct Answer: A

    Solution :

    \[Mg+2{{H}_{2}}O\to Mg{{(OH)}_{2}}+{{H}_{2}}\uparrow \]


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