Types of Chemical Reactions

AP Chemistry· difficulty 2/5

BaCl2(aq) + Na2SO4(aq) -> BaSO4(s) + 2 NaCl(aq) white precipitate forms

This reaction is best classified as:

  • A

    Synthesis

  • B

    Redox

  • C

    Combustion

  • D

    Double replacement / precipitation

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Explanation

Cation-anion swap producing an insoluble product (BaSO4) is a double-replacement precipitation reaction.

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