What is the order of successive ionisation enthalpies?

Chemistry · Class 11 · CBSE — Classification of Elements and Periodicity in Properties

1. IE_III > IE_II > IE_I
2. IE_I > IE_II > IE_III
3. IE_II > IE_I > IE_III
4. IE_III > IE_I > IE_II

Answer

(A) IE III > IE II > IE I

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