Question

Beyond my understanding ..please help

Answer 1

Hey Keshav
your answer is here

according to hund rule
every orbital in a subshell is singly occupied with one electron before any one orbital doubly occupied and all electron are in same spin .

so,
C option is wrong .

Hope this help you


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Answer 2

option C is not possible.
because a/c to hund 's rule:-----
*first all orbital should be half filled by
electron.
then we can fullfill electon further in orbitals.
but in option C one orbital is empty instead of being electron. so c is wrong.

hope you understand
thanks