Classify each of the following as a redox, precipitation, acid-base, or complex

Question

Classify each of the following as a redox, precipitation, acid-base, or complex ion formation reaction. Further indicate whether the reaction is a combination, decomposition, or displacement reaction where applicable. 1. KHCO_3(aq) + HNO_3(aq) KNO_3(aq) + H2O(I) + CO2(g) 2. 3 Ca(s) + 2 Al^3+(aq) 3 Ca^2+(aq) + 2 Al(S) 3. LiHCO3(s) + heat Li2CO3(s) + CO2(g) + H2O(g) 4. Zn(OH)_2(s) + 2 OH (aq) [Zn(OH)4]^2+(aq) 5. Ca(s) + H_2(g) CaH_2(s) 6. 2 Cl(aq) + Pb^2+(aq) PbCl_2(s) 7. Complete and balance each of the following formula unit or net ionic equations. Write NR if no reaction occurs. Include the states (s, l, g, or aq) of all products. a. Mg(s) + Al(NO_3)_3(aq) b. ag(s) + FeCl_3(aq) c. Ni(s) + 2 Na(aq) d. Ba(OH)_2(aq) + H2SO_4(aq) e. NH_3(aq) + HClO_4(aq)

Explanation / Answer

Part a

1.1) precipitation = salt plus water = precipitation or disolution if mixing

1.2) Ion formation = they change the ions in the reaction

1.3) Oxidation = a salt plus ain ion OH produce the salt or the compound to oxidate

1.4) Reduction= The calcium in presence of the ion H it reduces itself

1.5) Redox reaction

Part b

1.1) displacement

1.2) combination

1.3) decomposition

1.4) combination

1.5) displacement

2.1 Mg(NO3)2 + OH Mg + 18Al(NO3)3 = 18 Al(NO3)2 +OH

2.2 AgCl + Fe 3Ag + FCl3 = 3AgCl + Fe

2.3 NiNa2 Ni + 2Na = NiNa2

2.4 BaSO4 +H2O Ba(OH)2 + H2SO4 = BaSO4 + 2H2O

2.5 N2ClO4 + NH4 4NH3 + HClO4 == N2ClO4 + 3NH4

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