+2 votes
in JEE by kratos

Which of the listed electronic configurations corresponds to Fe3+ion

А. [Ar] 3d5 4s1 4p1

B. [Ar] 3d5 4s0

C. [Ar] 3d3 4s2

D. [Ar] 3d3 4s1 4p1

E. [Ar] 3d4 4s1

1 Answer

+5 votes
by kratos
 
Best answer

B. [Ar] 3d5 4s0

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