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Friedel Crafts Alkylation, Acylation

The Mn 3+ ion...

Question

The Mn³⁺ ion is unstable in solution and undergoes disproportionation to give Mn²⁺, MnO₂, and H⁺ ion. Write a balanced ionic equation for the reaction.

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Solution

The given reaction can be represented as:

The oxidation half equation is:

The oxidation number is balanced by adding one electron as:

The charge is balanced by adding 4H⁺ ions as:

The O atoms and H⁺ ions are balanced by adding 2H₂O molecules as:

The reduction half equation is:

The oxidation number is balanced by adding one electron as:

The balanced chemical equation can be obtained by adding equation (i) and (ii) as:

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Q. Write balanced net ionic equation for the following reaction in basic solution:

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Friedel Crafts Alkylation, Acylation

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