Which of the following element has maximum first ionisation potential

Question

Options:

A . V

B . Ti

C . Cr

D . Mn

Answer: Option D
:
D
The first ionization energies of Ti,V,Cr and Mnare 656, 650, 652 and 717kJ/molerespectively. I.E. increase in a period fromL

\to

R hence, manganese has maximum first ionisation potential.

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