D And F Block Elements Question 274
Which of the following elements has the maximum first ionisation potential
[Pb. CET 2002]
Options:
V
Ti
Cr
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/mol respectively.
I.E. increase in a period from $ L\to R $ hence, manganese has maximum first ionisation energy.
BETA
