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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
    \[2g\] of oxygen contains number of atoms equal to that in [BHU 1992]

    A)                 \[0.5g\] of hydrogen             

    B)                 \[4g\] of sulphur

    C)                 \[7g\] of nitrogen  

    D)                 \[2.3g\] of sodium

    Correct Answer: B

    Solution :

               2gm of oxygen contains atom\[=\frac{2}{16}=\frac{1}{8}\]mole                                 also 4g of sulphur \[=\frac{4}{32}=\frac{1}{8}\]mole.


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