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NEETChemistryp Block Elements (Group 15, 16, 17 & 18)

How does ionization enthalpy change as you move down Group 15?

Options

  1. AIt decreases.
  2. BIt increases.
  3. CIt remains constant.
  4. DIt becomes erratic.

Correct answer

A. It decreases.

Step-by-step solution

The paragraph mentions that ionization enthalpy decreases down the group.

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