d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge

Question 1546

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Why is the ionisation enthalpy of Fe2+ lower than that of Mn2+ according to the text?

Fe2+ has a d6 configuration while Mn2+ has a d5 configuration, making Fe2+ easier to ionise
Mn2+ has a more stable configuration than Fe2+
Fe2+ has a higher nuclear charge
Mn2+ has a lower effective nuclear charge

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Why is the ionisation enthalpy of Mn+ lower than that of Cr+ according to the text?

Mn+ has a 3d54s1 configuration while Cr+ has a d5 configuration, making Mn+ easier to ionise
Cr+ has a more stable configuration than Mn+
Mn+ has a higher nuclear charge
Cr+ has a lower effective nuclear charge

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Which element in the first row of transition metals is noted for exhibiting the widest range of oxidation states from +2 to +7?

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What is the highest oxidation state listed for Iron (Fe) in Table 4.3?

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What is the most common oxidation state for Zinc (Zn) based on Table 4.3?