We’re being asked to determine the ions that will certainly constantly be a spectator ion in a precipitation reaction.

You are watching: Which of the following ions will always be a spectator ion in a precipitation reaction

Spectator ions:

▪ species current on both reactant and product side▪ they have to have the exact same state, same phase, exact same charge▪ these species are not really participating in the reactivity and also they are “floating around” the solution

To answer this, we will refer to the solubility rulesin order to determine if the ions will form an insoluble salt (precipitate) or not.

Solubility Rules:

Soluble Ionic Compounds:

Group 1A ions (Li+, Na+, K+, etc.) and Ammoniumion (NH4+) are soluble▪ Nitrates (NO3-), Acetates (CH3COO- or C2H3O2-), and also many Perchlorates (ClO4-) are soluble▪ Cl-, Br-, and I- are soluble except as soon as paired through Ag+, Pb2+, Cu+, Hg22+▪ Sulfates (SO42-) are soluble except those of Ca2+, Sr2+, Ba2+, Ag+, and also Pb2+

Insoluble Ionic Compounds:


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Problem Details

Which of the complying with ions will always be a spectator ion in aprecipitation reaction? (a) Cl–, (b) NO3–, (c) NH4+, (d) S2–,(e) SO42–. Exordinary briefly.


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Based on our data, we think this difficulty is appropriate for Professor Herbert's course at UNG.


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Our data shows that this trouble or a cshed variation was asked in Chemistry: The Central Science - Brvery own 11th Edition. You have the right to additionally exercise Chemistry: The Central Science - Brown 11th Edition exercise difficulties.


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