NEET Chemistry Some Basic Concepts of Chemistry / रसायन की कुछ मूलभूत अवधारणाएँ NEET PYQ-Some Basic Concepts Chemistry

  • question_answer
    The number of atoms in 0.1 mole of a diatomic gas is \[({{N}_{A}}=6.02\times {{10}^{23}}mo{{l}^{-1}})\] [AIPMT (S) 2010]

    A)  \[6.026\times {{10}^{22}}\]    

    B)       \[1.806\times {{10}^{23}}\]    

    C)  \[3.600\times {{10}^{23}}\]    

    D)       \[1.800\times {{10}^{22}}\]

    Correct Answer: B

    Solution :

    Number of atoms = number of moles \[\times {{N}_{A}}\times \]
    Atomicity           \[=0.1\times 6.02\times {{10}^{23}}\times 3\]
                            \[=1.806\times {{10}^{23}}\] atoms


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