Q. 12

Use the data of Q A. Cr³⁺

B. MnO^4–

C. Cr₂O₇^2–

D. Mn²⁺

Class 12th Chemistry - Exemplar 3. Electrochemistry

Answer :

The value of standard reduction potential of Cr³⁺ ion is more negative than the other ions and hydrogen, hence it is most stable in its oxidized form and is a strong reducing agent. The correct option is (i).

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Use the data of Q A. Cr3+B. MnO4–C. Cr2O72–D. Mn2+

Use the data of Q A. Cr³⁺

B. MnO^4–

C. Cr₂O₇^2–

D. Mn²⁺