Which of the following elements has the maxim | vedclass

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(D) The first ionisation energies of $Ti, V, Cr,$ and $Mn$ are $656, 650, 652,$ and $717 \ kJ/mol$ respectively.Generally,the first ionisation energy

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$Mn$

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(D) The first ionisation energies of $Ti, V, Cr,$ and $Mn$ are $656, 650, 652,$ and $717 \ kJ/mol$ respectively.Generally,the first ionisation energy $(I.E._1)$ increases across a period from left to right due to an increase in effective nuclear charge.Among the given $3d$ series elements,$Mn$ $(Z=25)$ has the highest first ionisation potential because of its stable half-filled $d^5$ electronic configuration $([Ar] 3d^5 4s^2)$.

Which of the following elements has the maximum first ionisation potential?

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