1.

If Aufbau principle and Hund's rule were not followed

Answer»

Ca would have been d-block element with zero dipole moment
Zn would have been s-block element
Ti would have been diamagnetic
`Fe^(3+)` ion would have 5 unpaired electrons

Solution :For no consideration of Aufbau PRINCIPLE nad HUND's rule, the electronic configuration `Ca(20),[AR]3d^(2),Zn(30):[Ar]3d^(10)4s^(2)` (filling of 4s subshell after 3d subshell), `Ti(22), [Ar]3d^(2)` (both electrons paired up)


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