Block D and F Elements Class 12th Chemistry Ncert Solutions Chemistry Class 12th

8.7 Which is a stronger reducing agent Cr2+ or Fe2+ and why ?

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Payal Gupta | Contributor-Level 10

8 months ago

8.7 The following reactions are involved when Cr²⁺ and Fe²⁺ act as reducing

Cr²⁺ = Cr3+ ( E^? _{Cr3+/ Cr2+} = - 0.41 V)

Fe²⁺⇒ Fe³⁺ (E^? _{Fe3+/ Fe2+} = +0.77 V)

Since, Cr has less potential value, Cr²⁺ gets oxidised easily than Fe²⁺. Therefore, Cr²⁺ is a better reducing agent that Fe³⁺.

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Chemistry Ncert Solutions Class 12th 2023

Chemistry Ncert Solutions Class 12th 2023

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