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प्रश्न
Write redox couples involved in the reactions given.
\[\ce{Fe + Cd^{2+} -> Cd + Fe^{2+}}\]
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उत्तर
Redox couple is a reducing element along with its oxidizing form. So for the given example,
\[\ce{Fe^{2+}/Fe and Cd^{2+}/Cd}\]
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