

MCQOPTIONS
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1. |
The element with which of the following outer electron configuration may exhibit the largest number of oxidation states in its compounds: |
A. | \[3{{d}^{5}}4{{s}^{2}}\] |
B. | \[3{{d}^{8}}4{{s}^{2}}\] |
C. | \[3{{d}^{7}}4{{s}^{2}}\] |
D. | \[3{{d}^{6}}4{{s}^{2}}\] |
Answer» B. \[3{{d}^{8}}4{{s}^{2}}\] | |