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Explain why is there a phenomenal decrease in ionization enthalpy from carbon to silicon.

Explain why is there a phenomenal decrease in ionization enthalpy from carbon to silicon.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60787 Points
3 years ago
Answer: Because there is increase in atomic size on moving from carbon to silicon, the screening effect increases. Thus the force of attraction of nucleus for the valence electron decreases as compared to carbon. Thus the ionization enthapy decreases from carbon to silicon.

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