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Topic 4.7 · Types of Chemical Reactions

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AP Chemistry · Topic 4.7: Types of Chemical ReactionsOpen topic

Original PrepAtlas question. This is not an official College Board question.

Which explanation best identifies the reaction NH3(aq) + H3O+(aq) → NH4+(aq) + H2O(l)?

APrecipitation, because NH4+ must be an insoluble solid.BRedox, because the total positive charge moves from one ion to another.CAcid-base, because a proton transfers from hydronium to ammonia.DCombustion, because the equation contains oxygen atoms.

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Topic 4.7 · Types of Chemical Reactions

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