Assertion: The first ionisation enthalpy of aluminium is lower than that of magnesium.
Reason : Ionic radius of aluminium is smaller than that of magnesium.

Assertion: The first ionisation energy of aluminium is lower than that of magnesium. Reason: The ionic radius of aluminium is smaller than that of magnesium.

Assertion: The first ionisation energy of aluminium is lower than that of magnesium. Reason: The ionic radius of aluminium is smaller than that of magnesium.

Why first ionisation potential of aluminium is less than that of magnesium?

This question has statement I and statement II of the four choices given after the statements choose the one that best describes the two statements Statement -I:The first ionization enthalpy of aluminium is lower than that of magnesium Statement-II:ionic radius of aluminium is smaller than that of magnesium

Why first ionisation enthalpy of Cr is lower than that of Zn ?