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4.10 Give reasonsi) Second ionization ethalpy is greater than firstionization enthalpy. |
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Answer» The second ionization energy of any element will be higher than its first ionization energy in the way that the first electron is being removed from a neutral atom and the 2nd electron is being removed from a positively charged ion that is already electron deficient, as already 1 electron is being removed so the effective nuclear charge will definitely going to increase , which causes a strong attraction between the nucleus and the outermost electron. So the second ionization energy is higher than that of first ionization energy of an element. |
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