JEE Main & Advanced Chemistry Some Basic Concepts of Chemistry Question Bank Atomic Molecular and Equivalent masses

  • question_answer How much coulomb charge is present on 1g ion of \[{{N}^{3-}}\]

    A)                 \[5.2\times {{10}^{6}}\]Couloumb

    B)                 \[2.894\times {{10}^{5}}\]Couloumb

    C)                 \[6.6\times {{10}^{6}}\]Couloumb

    D)                 \[8.2\times {{10}^{6}}\]Couloumb

    Correct Answer: B

    Solution :

               One ion carries \[3\times 1.6\times {{10}^{-19}}\,coulomb\]                    Then 1 gm ion \[{{N}^{3-}}\](1 mole) carries                    \[=3\times 1.6\times {{10}^{-19}}\times 6.02\times {{10}^{23}}\]                                 \[=2.89\times {{10}^{5}}\,coulomb\]

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