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JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ Question Bank Critical Thinking

  • question_answer
    10 \[d{{m}^{3}}\]of \[{{N}_{2}}\]gas and 10 \[d{{m}^{3}}\]of gas X at the same temperature contain the same number of molecules. The gas X is

    A)                 \[CO\]     

    B)                 \[C{{O}_{2}}\]

    C)                 \[{{H}_{2}}\]       

    D)                 NO

    Correct Answer: A

    Solution :

               If same volume is occupied by the gas, the no. of molecules are same, so no. of moles are same.                    1 mole of \[{{N}_{2}}\] gas \[=2\times 14=28gm\]                                  1 mole of \[CO\] gas \[=12+16=28gm\]


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