In systematic analysis of group IV cations, hydrogen peroxide must be added along with the group reagent. Why must this substance be added?

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Accepted Answer

For formation of hydroxo- and oxoanions of these elements at the highest oxidation degrees

Answer

For formation of hydroxo- and oxoanions of these elements at the lowest oxidation degrees

Answer

For more complete precipitation of these cations

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For formation of peroxide compounds of these cations

Answer

For destruction of hydrate complexes

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