

4. Determine the oxidation state of the (bold faced) elements in the following species. MnO4- Fe2O3...
Determine the oxidation state for each of the elements below permanganate ion MnO4 The oxidation state of in is manganese ammonia The oxidation state of in is nitrogen NH3 nitrous acid The oxidation state of in is nitrogen ΗΝO
For the following reaction, (1) assign oxidation numbers for all the elements, (2) determine which one is oxidized and which one is reduced, and (3) balance the redox reaction in acidic solution. SO32–(aq) + MnO4–(aq) ® SO42–(aq) + Mn2+(aq)
5) Determine which element is oxidized and which element is reduced in the following redox reactions. (4) Fe2O3 + CO ® Fe + CO2 Element oxidized ____________________ Element reduced _________________ Cr2O72- + H2C2O4 ® Cr3+ + CO2 Element oxidized ____________________ Element reduced ___________________ 6) Determine the balanced molecular, ionic and net ionic equations for the following single displacement (replacement) reaction. (9) (ME) Al(s) + HCl(aq) ® (IE) (NIE)
1) Assign Oxidation States every element in each of the following species: i) NaMnO4 iv) SF ii) Cu(CIO4)2 v) LiH iii) Cl2 vi) H2O2 2) 3) 2HBr(aq) + Cds CdBr2(aq) + H2(g) Element Oxidized: Element Reduced: Balance the following redox reaction in acidic solution: Cr2O72- + C2H5OH → Cr + CO2
Determine the oxidation numbers of each of the elements in the following reaction, and identify which, if any, are oxidized or reduced. SiO2 (s) +2H,0(1) H.SO.(aq) 1st attempt Part 1 (1 point) See Periodic Table See Hint SIO2 Part 2 (1 point) H20 H o Part 3 (1 point) HASIO zo Part 4 (1 point) Which are oxidized? Choose one: O Si oo OH O None Part 5 (1 point) Which are reduced? Choose one or more: Si oo OH...
oxidation state?
most active metal?
QUESTION 1 Determine the oxidation state of the following element Sulfur in thiosulfate ion S2032- a. +4 b.+2 C. +5 d. +3 QUESTION 2 Determine the oxidation of the following species Crin CrCl2 +2 0 0 +1 +3 ОО -2 QUESTION 3 Identify the most active metal from the following: Ba(s), Cr(s), Ni(s) Ba(s) Cr(s) Ba and Cr Cr and Ni
7. Balance the following reactions and identify the species that have been oxidized and the species that have been reduced Species reduced Species oxidized I lon) Clergo Reaction Cl2(g) + (aq) WO2(8) FH2(g) Ca(s) FH20(1) 4 Al(s) +(8) → 12(8) CI" (aq) → W(8) +H20(1) H2(g) + Ca(OH)2(s) A1,0,($) 8. Assuming that the following redox reactions are found to occur spontaneously, identify the more active metal in each reaction. More active metal Reaction 2Li(s) + Cu2+ (aq) — 2Li* (aq)...
4. (6 pts.) Oxidation-Reduction Reactions: write out two ways you can identify the species that has been oxidized in a redox reaction: b. Identify the element reduced and the element oxidized in the following oxidation- reduction reactions. Fe(s) + CuCl2(aq) FeCl2(aq) + Cu(s) Element Oxidized: Element Reduced: C(s) + O2(g) → C02(g) Element Oxidized: Element Reduced:
Consider the following UNBALANCED reaction IN ACIDIC SOLUTION: Fe2+(aq) + MnO4-(aq) ⟶ Fe3+(aq) + Mn2+(aq) a. (5) Species that is oxidized (be specific – i.e. identify which atom and if there are multiple atoms with different charges, identify the correct one) b. (5) Species that is reduced (same instructions as above) c. (10) Full Balanced oxidation ½ reaction (‘full’ means with regard to mass (atoms) and charges.) d. (10) Full Balanced reduction ½ reaction e. (9) Complete Balanced Reaction Using...
(1) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction. half-reaction identification Cr3+(aq) + 3e — Cr(s) Al(s)—+A13+(aq) + 3e (2) Write a balanced equation for the overall redox reaction. Use smallest possible integer coefficients. <> Submit Answer Retry Entire Group 9 more group attempts remaining When the following half reaction is balanced under acidic conditions, what are the coefficients of the species shown? NO3 + H —— NO + H2O In the above...