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1.Assign all oxidation numbers for all atoms in the following reaction: a.PCl3 (l) + Cl2 (g)...
Assign oxidation numbers to all of the atoms of each element in the following reaction a) Cu(s) + NO3-1(aq) => Cu+2(aq) + NO(g) The oxidizing agent in this reaction is_________________ The reducing agent is this reaction is_________________
Oxidation Numbers 1. Assign oxidation numbers to the atoms in each of the following. a) SO2 d) Mgl b) HCIO e) CaH c) Cr,0,2 f) Fe, 2. For each of the following: •assign oxidation numbers •indicate whether the equation represents a redox reaction .if redox, identify OA and RA a) Cu + 2 AgNO, 2 Ag + Cu(NO3)2 b) Pb(NO3)2 + 2 KI Pbl, + 2 KNO, c) Cl2 + 2 KI I2 + 2 KCI d) 2 NaCl 2...
Identify the species (atoms/ elements) undergoing oxidation and reduction in the following equations, assign oxidation numbers to each, and write balanced net ionic equations. a) Cu(s) Cu2+(aq) + 2e- b) Cl2(aq) + 2e- Cl-(aq) c) Cu(s) + Cl2(aq) Cu2+(aq) + 2Cl-(aq) d) 4CuO(s) + CH4(g) 4Cu(s) + CO2(g) + 2H2O(l) e) 2CuSO4(aq) + 4KI(aq) 2CuI (aq) + 2K2SO4(aq) + I2(aq) f) Cu2O(s) + Fe(SO4)3 (aq) + H2SO4(aq) 2CuSO4(aq) + 2FeSO4(aq) + H2O(l)
Question 3 2.5 pts Which of the following are oxidation-reduction reactions? I. PCI; + Cl2 → PCI II. Cu + 2AgNO3 → Cu(NO3)2 + 2Ag CO2 + 2LiOH Li CO3 + H2O IV. FeCl2 + 2NaOH - Fe(OH)2 + 2NaCl III. I, II, III, and IV I and II o III I, II, and III IV
rect Question 19 0/5 pt Which of the following are oxidation-reduction reactions? 1. PC13 + Cl2 PCIE II. Cu + 2AgNO3 - Cu(NO3)2 + 2Ag III. CO2 + 2LIOH -- Li2CO3 + H20 IV. FeCl2 + 2NaOH - Fe(OH)2 + 2Naci I and II 1.11, and III IV 1, 11, 111, and IV correct Question 20 0/5 pts Answer the following questions that refer to the unbalanced reaction shown below as it occurs in acidic solution: _Cr202- (aq) + __...
For the following, assign oxidation numbers. Which species is oxidized and which is reduced? Which species is the oxidizing agent and which is the reducing agent? (A) Zn(s) + CuCl2(aq) Cu(s) + ZnCl2 (B) MnO2 (s) + 4H+(aq) + 2Cl-(aq) Mn2+(aq) + 2H2O(l) + Cl2(g) (C)Zn(s) + 2HCl(aq)ZnCl2(aq) + H2(g)
Which of the following are redox reactions? CO2(g) + 2H2O(l) H3O+(aq) + HCO3-(aq) 2CuS(s) + O2(g) Cu(s) + SO2(g) 2AgNO3(aq) + Cu(s) Cu(NO3)2(aq) + 2Ag(s) 2AgNO3(aq) + Na2SO4(aq) 2NaNO3(aq) + Ag2SO4(s) CO(g) + H2O(g) CO2(g) + H2(g)
2. Assign the oxidation state for all atoms in the reaction below and indicate which substance(s) is/are oxidized and which is/are reduced? 3 NO2- + Cr2O72- + 8 H → 2 Cr3+ + 3 NO3 + 4H20
Assign oxidation numbers to each of the elements in this unbalanced redox reaction. Cl2(g)+I^-(aq)--->Cl^-(aq)+IO3^-(aq)
(b) (3pts) Using standard rules assign oxidation numbers to the various atoms in the following reaction: 4 PA + 7 S. ------> 8 P2S- The substance oxidized is The substance reduced is The oxidizing agent is