A) Ni (28)
B) Fe (26)
C) Zn (30)
D) Cu (29)
Correct Answer: B
Solution :
[a] \[Ni(III)=3{{d}^{7}}\,4{{s}^{0}}\] [b] \[Fe(III)=3{{d}^{5}}4{{s}^{0}}\] The +3 oxidation state of Fe is stable due to half-filled d-subshell. [c] \[Zn(III)=3{{d}^{9}}4{{s}^{0}}\] [d] \[Cu(III)=3{{d}^{8}}4{{s}^{0}}\]You need to login to perform this action.
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