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Classification of Elements and Periodicity in Properties — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryClassification of Elements and Periodicity in Properties1 Mark
Question
Why is second ionisation enthalpy is always more than first?
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Answer

Second electron is to be removed from cation in which same number of protons attract less number of electrons more srongly, therefore, more energy is needed to remove second electron.

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