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d and f BLOCK ELEMENTS
Question #39031
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Question
Which of the following best explains the relatively low E°(M3+/M2+) value for Chromium (Cr)?
A. The instability of the d4 configuration of Cr2+
B. The high hydration energy of Cr3+
C. The relatively stable d3 configuration of Cr3+ compared to Cr2+
D. The low third ionisation energy of Cr
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