A) V
B) Ti
C) Cr
D) Mn
Correct Answer: D
Solution :
The first ionization energies of \[Ti,V,Cr\ \text{and }Mn\] 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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