MCQ
Which of the following element has maximum first ionisation potential
  • A
    $V$
  • B
    $Ti$
  • C
    $Cr$
  • $Mn$

Answer

Correct option: D.
$Mn$
d
(d)The first ionization energies of $Ti,\,V,\,Cr$  and $Mn$ are $656,\,650,\,652 $ and $717\,kJ/mole$ respectively.

I.E. increase in a period from $L \to R$

hence, manganese has maximum first ionisation potential.

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