Out of Cr3+ and Mn3+, Which is a Stronger Oxidising Agent and Why? - Chemistry

Out of Cr³⁺ and Mn³⁺, which is a stronger oxidising agent and why?

Solution

Out of Cr³⁺ and Mn³⁺, Mn³⁺ is a stronger oxidising agent because it has 4 electrons in its valence shell and when it gains one electron to form Mn²⁺, it results in the half-filled (d⁵) configuration that has extra stability.

Concept: Electronic Configurations of the D-block Elements

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2013-2014 (March) Delhi Set 1

Q 29.2.3 Q 29.2.2 Q 29.2.4

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2013-2014 (March) Delhi Set 1 (with solutions)

Q 29.2.3 | 1 mark

2013-2014 (March) Delhi Set 2 (with solutions)

Q 31.1.3 | 1 mark

2013-2014 (March) Delhi Set 3 (with solutions)

Q 28.2.3 | 1 mark

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Out of Cr3+ and Mn3+, Which is a Stronger Oxidising Agent and Why? - Chemistry

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