If Aufbau principle and Hund's rule were not followed
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Ca would have been d-block element
b
Zn would have been S - block element
c
Ti would have been diamagnetic
d
Fe3+ ion would have 6 unpaired electrons
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
For no consideration of Aufbau principle and Hunds rule, the electronic configuration Ca(20):[.Ar]3d2 Zn(30):[Ar]3d104s2 (filling of 4s sub shell after 3dsubshell) Ti(22): [Ar]3d2 (both electrons paired up)