The configuraton of both Cr^2+ and Mn^3+ is d<sup.

Question 1

The configuraton of both Cr2+ and Mn3+ is d<sup.4 but Cr2+ is reducing agent and Mn3+ is oxidising agent. Give reason.

Question 2

Eo value for Cr3+ / Cr2+ is negative (-0.41. V) whereas Eo value for Mn3+ / Mn2+ is positive (+ 1.57V). Hence Cr2+ ions can easily undergo oxidation to give Cr3+ ions and therefore, acts as strong reducing agent. On the other hand Mn3+ can easily undergo reduction to give Mn2+ and hence acts as oxidising agent.

kratos · Answer 1 · 2020-09-02T22:26:40+0000

Eo value for Cr3+ / Cr2+ is negative (-0.41. V) whereas Eo value for Mn3+ / Mn2+ is positive (+ 1.57V). Hence Cr2+ ions can easily undergo oxidation to give Cr3+ ions and therefore, acts as strong reducing agent. On the other hand Mn3+ can easily undergo reduction to give Mn2+ and hence acts as oxidising agent.

The configuraton of both Cr^2+ and Mn^3+ is d<sup.

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The configuraton of both Cr^2+ and Mn^3+ is d<sup.

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