Among the elements B,Al,C and Si, which element has the highest first ionisation enthalpy? - Chemistry

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Short Note

Among the elements \[\ce{B, Al, C}\] and \[\ce{Si}\], which element has the highest first ionisation enthalpy? 

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Solution

C has the highest ionization energy among the given elements as along the period ionization enthalpy increases whereas it decreases down the group.

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Chapter 3: Classification of Elements and Periodicity in Properties - Multiple Choice Questions (Type - I) [Page 32]

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NCERT Exemplar Chemistry Class 11
Chapter 3 Classification of Elements and Periodicity in Properties
Multiple Choice Questions (Type - I) | Q 28.(i) | Page 32

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