NEET Chemistry Ionization Energy MCQ Question
If the first ionization enthalpy of an element X is 520 kJ/mol and its second ionization enthalpy is 730 kJ/mol, what is the expected trend for the third ionization enthalpy?
Greater than 730 kJ/mol
Less than 520 kJ/mol
Equal to 520 kJ/mol
Exactly 730 kJ/mol
Correct Answer
Detailed Explanation
The third ionization enthalpy will be higher than the second since it is more difficult to remove an electron from a more positively charged ion, as stated in the NCERT context.
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