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

  • question_answer The metal which displaces hydrogen from a boiling caustic soda solution is

    A) As

    B) Zn

    C) Mg

    D) Fe

    Correct Answer: B

    Solution :

    Zn displaces hydrogen from the boiling solution of NaOH. \[Zn+2NaOH+2{{H}_{2}}O\to N{{a}_{2}}[Zn{{(OH)}_{4}}]+{{H}_{2}}\uparrow \]

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