The molar enthalpy change accompanying the removal of an electron from a gas phase atom or ion in its ground state is called?

  • A Electron gain enthalpy
  • B Ionization enthalpy
  • C Enthalpy change
  • D Enthalpic gas removal
jamb 2021chemistry

The correct answer is B. Ionization enthalpy

- The enthalpy change associated with the removal of the first electron from an isolated gaseous atom.

- Ionization enthalpy is the minimum amount of energy required to detach from an isolated gaseous atom the most loosely bound electron and turn it into a gaseous cation.

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