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NEETChemistryp Block Elements (Group 13 & 14)

Why does the decrease in ionization enthalpy occur from boron to aluminum?

Options

  1. ADue to a decrease in size
  2. BDue to an increase in nuclear charge
  3. CDue to the presence of d-electrons
  4. DDue to high screening effect

Correct answer

B. Due to an increase in nuclear charge

Step-by-step solution

The decrease in ionization enthalpy from boron to aluminum is associated with an increase in nuclear charge.

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