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d and f BLOCK ELEMENTS
Question #38810
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Question
Why is Cr2+ considered a reducing agent despite having a d4 electron configuration?
A. Because it readily gains electrons to achieve a d6 configuration.
B. Because the d4 configuration is inherently unstable.
C. Because its configuration changes to the more stable d5 configuration upon losing an electron.
D. Because its configuration changes to the more stable d3 configuration with a half-filled t2g level upon losing an electron.
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