Net Ionic Equations

AP Chemistry· difficulty 3/5

Mixing solutions of Pb(NO₃)₂ and KI produces a yellow precipitate. The net ionic equation is

  • A

    K⁺ + NO₃⁻ → KNO₃

  • B

    All ions react

  • C

    Pb²⁺ + 2 I⁻ → PbI₂(s)

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  • D

    Pb(NO₃)₂ + 2 KI → PbI₂ + 2 KNO₃

Explanation

K⁺ and NO₃⁻ are spectators. PbI₂ is the bright yellow precipitate ("golden rain" demo).

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