Chemistry 9701 · AS & A Level · Chemical energetics

Chemical energetics — practice question

Which process has the greatest enthalpy change per mole?

  • A$\text{Al}^{3+}(g) \rightarrow \text{Al}^{4+}(g) + e^-$
  • B$\text{P}^{5+}(g) \rightarrow \text{P}^{6+}(g) + e^-$
  • C$\text{S}^{6+}(g) \rightarrow \text{S}^{7+}(g) + e^-$
  • D$\text{Si}^{4+}(g) \rightarrow \text{Si}^{5+}(g) + e^-$

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