A) +2
B) + 3
C) +4
D) + 5
Correct Answer: A
Solution :
Iron has atomic number 26 Electronic configuration \[=1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{6}}4{{s}^{2}}\] \[F{{e}^{2+}}\](ferric ion) \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}\,3{{p}^{6}}3{{d}^{6}}4{{s}^{0}}\] \[F{{e}^{3+}}\](ferric ion) \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{d}^{6}}3{{d}^{5}}4{{s}^{0}}\]
You need to login to perform this action.
You will be redirected in
3 sec
