CHM 110 Spring 2017 Item 18 tem 18 Reactions in water solution can be classified

Question

CHM 110 Spring 2017 Item 18 tem 18 Reactions in water solution can be classified based onthe driving force that convens eactants to product Thethee classes are precipitation reactions, acidbase neutralization reactions and oxidation-eduction reactions Ligure 1 of 1 httpslysessionmasteringchemistrycom/myctitemview?assignmentProblemloa76241067aoffsetaprev l In precipitation reactona a solid product forms from aqueous The produc can be predicted by using solubility nules aci base neutralizatonreactions an acid (proton donor reacts with a base proton acceptor) form an ionic salt and sometmes water You can recognize this type of raction by the presence of an acid and base in the reactants In reactions lor redox for shorty electrons are transfemed between seactants so you wil always see changes in oxidation number within this type of reaction, Part A aassify the following reactions: aq) AgCl(s) Drag the items to their respective bins.

Explanation / Answer

Item 18 PART A

A) HNO3 is acid NH3 is base so this reaction is

   acid base neutralization reaction

B) In this reaction Cu is oxidzed to Cu^2+ and O2 is reduced to O^2-. so this reaction is

oxidation-reduction (redox) reaction.

C) In this reaction AgCl precipitate is formed aso this is

   Precipitation reaction.

D) LiOH is base and H2SO4 is acid. So this reaction is

Acid-base neutralization reaction.

E) In this reaction CaCO3 precipitate is formed. so this reaction is

Precipitation reaction

   Part B

2H3PO4(aq) + 3Ca(OH)2 (aq) -------> Ca3(PO4)2 +6H2O

Salt formed = Ca3(PO4)2

Part C

The given diagram represents the reaction between laed(II) ion and I^- ions

Pb^2+(aq) + 2I^- -------> PbI2(s)

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