JEE Main & Advanced Chemistry Hydrogen & Its Compounds Question Bank Water or hydride of oxygen

  • question_answer Which of the following is correct about heavy water [DCE 2002]

    A) Water at 4°C having maximum density is known as heavy water

    B) It is heavier than water \[({{H}_{2}}O)\]

    C) It is formed by the combination of heavier isotope of hydrogen and oxygen

    D) None of these

    Correct Answer: C

    Solution :

    Heavy water is formed by the combination of heavier isotope \[({{\,}_{1}}{{H}^{2}}\text{ or }D)\] with oxygen. \[2{{D}_{2}}+{{O}_{2}}\to \underset{\text{Heavy water}}{\mathop{2{{D}_{2}}O}}\,\]


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