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NEET Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank Self Evaluation Test - States of Matter

  • question_answer
    The value of van der waals constant 'a' for gases \[{{O}_{2}},{{N}_{2}},N{{H}_{3}}\] and \[C{{H}_{4}}\] are 1.360, 1.390, 4.170 and 2.253 \[litr{{e}^{2}}\]atom \[mo{{l}^{-2}}\]respectively. The gas which can most easily be liquefied is:

    A) \[{{O}_{2}}\]               

    B) \[{{N}_{2}}\]  

    C) \[N{{H}_{3}}\]            

    D) \[C{{H}_{4}}\]

    Correct Answer: C

    Solution :

    [c] The higher the value of 'a', more the value of \[{{T}_{c}}\], easy is the liquefaction


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