NEET Chemistry Ionization Energy MCQ Question
Calculate the ionization enthalpy of atomic hydrogen in terms of J mol^-1, given that the energy of an electron in the ground state of the hydrogen atom is -2.18×10^-18 J.
31×10^6 J mol^-1
18×10^5 J mol^-1
31×10^5 J mol^-1
18×10^6 J mol^-1
Correct Answer
Detailed Explanation
The ionization enthalpy is calculated using the energy of one electron, -2.18×10^-18 J, multiplied by Avogadro's number (6.022×10^23 mol^-1) to convert to J mol^-1, resulting in 2.18×10^6 J mol^-1.
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