AIPMT PRELIMS 2008 Chemistry Ionization Energy MCQ Question
The correct order of decreasing second ionization enthalpy of Ti = 22, V = 23, Cr = 24 and Mn = 25 is -
Mn > Cr > Ti > V
Ti > V > Cr > Mn
Cr > Mn > V > Ti
V > Mn > Cr > Ti
Correct Answer
Detailed Explanation
Second ionization enthalpy generally decreases with increasing atomic number due to increased electron shielding.
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