Which statements regarding the standard reduction potentials of the group 14 element dioxides XO₂ are correct?
XO₂ + 4 H⁺(aq) + 4 e– → X(s) + 2 H₂O(l) E°(X)
I. E°(C) < E°(Si)
II. E°(Sn) < E°(Pb)

Question

Which statements regarding the standard reduction  potentials of the group 14 element dioxides XO2 are correct?
XO2 + 4 H+(aq) + 4 e– → X(s) + 2 H2O(l) E°(X)
I. E°(C) < E°(Si)
II.  E°(Sn) < E°(Pb)

Accepted Answer

Correct answer: B.

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