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Please explain the following NCERT para , also is the electronic configuration of Fe(+1) , [Ar]^18 3d^6 4s^1 or 3d^7 4s^0?

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Asked by ujjwalpandey1188 25th November 2022, 11:21 AM
Answered by Expert
Answer:
Dear Student,
Kindly follow below link for your doubt related to highlighted part in the gievn screenshot:
https://www.topperlearning.com/answer/why-ionisation-enthalpies-along-3d-transition-series-show-irregular-trend/05msglww 
 
Answer for your second query is as given below:
The electronic configuration of Fe+1 is [Ar]3d64s1
Answered by Expert 25th November 2022, 12:16 PM
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