Given these standard reduction potentials: E°(Cr₂O₇²⁻/Cr³⁺) = +1.33 V; E°(Cl₂/Cl⁻) = +1.36 V; E°(MnO₄⁻/Mn²⁺) = +1.51 V; E°(Cr³⁺/Cr) = −0.74 V. Identify the most stable oxidised species.
Options:
Answer:
A
Solution:
Cr³⁺ is a relatively stable oxidised form relative to chromium metal in the given list.

Question

Given these standard reduction potentials: E°(Cr₂O₇²⁻/Cr³⁺) = +1.33 V; E°(Cl₂/Cl⁻) = +1.36 V; E°(MnO₄⁻/Mn²⁺) = +1.51 V; E°(Cr³⁺/Cr) = −0.74 V. Identify the most stable oxidised species.

Options:

Answer:

A

Solution:

Cr³⁺ is a relatively stable oxidised form relative to chromium metal in the given list.

TestHub · Accepted Answer

Cr³⁺ is a relatively stable oxidised form relative to chromium metal in the given list.

Chemistry - Electrochemistry Question with Solution | TestHub

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