contents. The NO3 ion reaction is positive. In this case, is it accurate to stat

Question

contents. The NO3 ion reaction is positive. In this case, is it accurate to state that NO3 ion was present in the original solution? Briefly explain. Write appro- priate equations to support your answer. 8 2. A solution contains a mixture of Cl and Brions. Can both be positively identified? Briefly explain. Write appropriate equations to supportyour answer. 3. The solubility product constants of AgCl, AgBr, and Agl are, respectively, 1.7 × 10-10 4.1 × 10-13 and 1.5 × 10-16. The Ksp expression for each silver halide, AgX, is: When the jon product, [Ag1IX], exceeds the AgX(s) will precipitate until the ion product once again equals Kgp If the Aqt ion cncentration int

Explanation / Answer

2.

For Cl- and Br-

Add AgNO3 solution,

AgNO3 + Cl- --> AgCl (white ppt) + NO3-

AgNO3 + Br- ---> AgBr (brown precipiate) + NO3-

So both Cl- and Br can be tested.

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