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Question
Which of the following elements exhibits oxidation states from +1 to +6?
Options
Mn (Z = 25)
Cr (Z = 24)
Fe (Z = 26)
Cu (Z = 29)
MCQ
Solution
Cr (Z = 24)
Explanation:
| 24Cr = [Ar] | 4s1 | 3d5 | ||||
| ⌉ | ⌉ | ⌉ | ⌉ | ⌉ | ⌉ | |
Since Cr has 6 electrons in the outermost shell, it can show oxidation states +1 to +6.
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Oxidation States of First Transition Series
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