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

  • question_answer An element reacts with hydrogen to form a compound A which on treatment with water liberates hydrogen gas. The element can be

    A) Nitrogen

    B) Chlorine

    C) Selenium

    D) Calcium

    Correct Answer: D

    Solution :

    \[Ca+{{H}_{2}}\to Ca{{H}_{2}}\xrightarrow{2{{H}_{2}}O}Ca{{(OH)}_{2}}+2{{H}_{2}}\]

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