Doubt by smruti sikta Mishra

Mam in que-52
 Option (a) d5 octahedral, low spin has  5 unpaired electrons or 1 unpaired electron?
I know that low spin complex will cause back pairing but I just want to conform that whether back pairing occurs or not.

Answers

Answer by Himanshu Rawat

 

Answer by smruti sikta Mishra

thank u so much sir i got it