Which of the following involves transfer of five electrons? (a) MnO4- → Mn2+ (b) CrO42- → Cr3+ (c) MnO42- → MnO2 (d) Cr2O72- → 2Cr3+

Correct answer: (a) MnO4- → Mn2+ Explanation: O.N. of Mn in MnO4- is +7 and in Mn2+ it is +2. The difference is of 5 electrons.

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[Solved] Which of the following involves transfer of five electrons?

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04/12/2021 5:03 pm

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Palak23

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Which of the following involves transfer of five electrons?

(a) MnO₄^- → Mn²⁺

(b) CrO₄^2- → Cr³⁺

(d) Cr₂O₇^2- → 2Cr³⁺

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04/12/2021 5:04 pm

Reyana09

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Correct answer: (a) MnO₄^- → Mn²⁺

Explanation:

O.N. of Mn in MnO₄^- is +7 and in Mn²⁺ it is +2. The difference is of 5 electrons.

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