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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank The mole concept

  • question_answer
    Number of molecules in 100 ml of each of \[{{O}_{2}},\,N{{H}_{3}}\text{ and}\,C{{O}_{2}}\]at STP are                         [Bihar MADT 1985]

    A)                 In the order \[C{{O}_{2}}<{{O}_{2}}<N{{H}_{3}}\]

    B)                 In the order \[N{{H}_{3}}<{{O}_{2}}<C{{O}_{2}}\]

    C)                 The same              

    D)                 \[N{{H}_{3}}=C{{O}_{2}}<{{O}_{2}}\]

    Correct Answer: C

    Solution :

                            According to avogadro's hypothesis  equal volumes of all gases under similar conditions of temperature and pressure  contains equal no. of molecules.


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