D-And F-Block Elements Ques 409
Question: Which of the following element has maximum first ionisation potential
[Pb. CET 2002]
Options:
A) V
B) Ti
C) Cr
D) Mn
Show Answer
Answer:
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.
