Question
Chemistry Question on properties of d block elements
The correct order of the first ionization enthalpies is:
A
Mn < Ti < Zn < Ni
B
Ti < Mn < Ni < Zn
C
Zn < Ni < Mn < Ti
D
Ti < Mn < Zn < Ni
Answer
Ti < Mn < Ni < Zn
Explanation
Solution
Ti→∣Ar∣3d24s2
Mn→∣Ar∣3d54s2
Ni→∣Ar∣3d84s2
Zn→∣Ar∣3d104s2
Correct order of I.P. is
[Ti < Mn < Ni < Zn]