1.

The second ionisation potential of an element M is the energy required to

Answer»

REMOVE ONE mole of electron from one mole of gaseous anion
Remove one mole of electron from one mole of gaseous cation of the element
Remove one mole of electron from one mole of MONOVALENT gaseous cation of the element
Remove 2 moles of ELECTRONS from one mole of gaseous atoms

Answer :C


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