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

Question 1356

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Based on the data for Cr in Table 4.4, what is the sum of the first three ionization enthalpies (Δ₁H° + Δ₂H° + Δ₃H°)?

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What does the text suggest is the primary factor influencing the E° value for the Ni²⁺/Ni couple?

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Why is the first ionization enthalpy (Δ₁H°) for Zinc (Zn) significantly lower than its second ionization enthalpy (Δ₂H°)?

Zn has a very high atomic mass
Both electrons are removed from the same orbital with the same energy
The first electron is removed from a higher energy 4s orbital, while the second is removed from a lower energy 4s orbital, now experiencing a higher effective nuclear charge
Zn has a very low atomic number

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Based on the data in Table 4.4, which first-row transition metal has the most positive standard electrode potential (E°) for the M²⁺/M couple?

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What is the standard enthalpy of hydration (ΔhydH°) for Cu²⁺ according to the provided table?