In which species does the underlined element have an oxidation number of +2? | Electrochemistry

🧪 TheChemSolverUSNCO / General Chemistry

ElectrochemistryMCQ

Question

In which species does the underlined element have an oxidation number of +2?

SO₂Cl₂

Fe(CN)6^4-

✓ Correct

HNO₂

Ni(CO)₄

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