NEET Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव NEET PYQ-States Of Matter

  • question_answer
    Given van der Waals constant for \[\text{N}{{\text{H}}_{\text{3}}}\text{,}{{\text{H}}_{\text{2}}}\text{,}{{\text{O}}_{\text{2}}}\] and \[\text{C}{{\text{O}}_{2}}\] are respectively 4.17, 0.244, 1.36 and 3.59, which one of the following gases is most easily liquefied?                                                                                                           [NEET - 2018]

    A)  \[{{\text{O}}_{\text{2}}}\]              

    B)       \[{{\text{H}}_{\text{2}}}\]

    C)  \[\text{N}{{\text{H}}_{3}}\]           

    D)       \[\text{C}{{\text{O}}_{\text{2}}}\]

    Correct Answer: C

    Solution :

    [c]
    • van der waal constant 'a', signifies intermolecular forces of attraction.
    • Higher is the value of 'a', easier will be the liquefaction of gas.


You need to login to perform this action.
You will be redirected in 3 sec spinner