In the following balanced reaction equation, identify which element is being reduced, which element is being...
In the following balanced reaction equation, identify which element is being reduced, which element is being oxidised and how many electrons are being transferred in the reaction. 3CH3CH2OH + 2Cr2O7 2− + 16H+ ⇌ 3CH3COOH + 4Cr3+ + 11 H2O
(A) Cr reduced, C oxidised, 4 e− transferred
(B) C reduced, H oxidised, 3 e− transferred
(C) Cr reduced, H oxidised, 4 e− transferred
(D) Cr reduced, C oxidised, 12 e− transferred
(E) C reduced, Cr oxidised, 16 e− transferred
Homework Answers
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In the following balanced reaction equation, identify which
element is being reduced, which element is being...
For each of the following redox reactions (not balanced), define which component is being reduced and...
For each of the following redox reactions (not balanced), define which component is being reduced and which is being oxidized as the reaction progresses. *It may be quite beneficial to draw the element in question and its electrons in its reactant and product state. 1) C6H12O6 + O2 → CO2 + H2O Carbon is Oxygen is 2) CO2 + H2O + CHA + O2 Carbon is Oxygen is 3) NAD + H+ + 2e + Malate → NADH + Oxaloacetate...
1. Balance the following reaction in the medium specified. (10 pts) a. Which element is being...
1. Balance the following reaction in the medium specified. (10 pts) a. Which element is being oxidized. b. Which element is being reduced. c. Identify the oxidizing and reducing agent. CIO3+ (aq) + l'(aq) --l(s) +Cl(aq) (acidic) 2. What is the oxidation number of the indicated element in the following compounds (6 pts) N in HNO, Cl in HCIO, Mn in KMnO4 3. Given the reaction (5 pts) 2C4H10(g) + 1302(g) → 8CO2(g) + 10H2O(g) How many moles of C&H1o...
Identify which element is being reduced and oxidized in the following reaction. (For full credit, please...
Identify which element is being reduced and oxidized in the following reaction. (For full credit, please give the oxidation states of each clement or ion below.) 4 Fe (s) + 3 O_2(g) rightarrow 2Fe_2Q_3 (s)
chem ll For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element...
chem ll
For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element on each side of the equation. K in KCIO: K in KCI: Question 1 of 18 > Cl in KCIO,: Clin KCI: O in KCIO, O in 0,: Which element is oxidized? Which element is reduced? OCI OK Oo ОСІ O in KCIO, in 0,: Which element is reduced? Which element is oxidized? ОСІ Ок Оо ОСІ Ок ОО In a hydrogen fuel cell,...
Figure out whether the balanced chemical reaction shown below involves oxidation reduction. If it does figure...
Figure out whether the balanced chemical reaction shown below
involves oxidation reduction. If it does figure out which element
becomes oxidized by the reaction and which element becomes reduced
by the reaction. Pick the correct statement about
this reaction from the multiple choices.
4 KMnO4(aq) + 5 CH3OH(aq) + 12 HCl(aq)
4 MnCl2(aq) + 5 HCO2H(aq) +
4 KCl(aq) + 11 H2O(l)
a) This reaction is not a redox reaction.
b) In this reaction H becomes oxidized and Cl becomes...
8. (12 pts) For the following reaction, identify the oxidation number for each element on each...
8. (12 pts) For the following reaction, identify the oxidation number for each element on each side of the equation; identify what is oxidized and what is reduced; identify the oxidizing agent and the reducing agent; tell how many electrons are transferred as the reaction takes place. 2 MnCO3(s) + O2(g) → 2 MnOz(s) + 2 CO2(g) 9. (4 pts) What molarity of sodium ions results when 1.00 moles of Na2SO4 are combined with enough water to make 2.00 L...
a In the following reaction, identify which element is oxidized and which is reduced by assigning...
a In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation numbers: Ba(s)S(s)BaS (s) barium is reduced; sulfur is reduced barium is reduced; sulfur is oxidized barium is oxidized; sulfur is oxidized barium is oxidized; sulfur is reduced Submit b In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation number 2Sr(s)02(g)> 2SrO(s) strontium is reduced; oxygen is reduced strontium is oxidized; oxygen is reduced strontium is oxidized;...
Which compound is being reduced in the following reaction: H2O2 (aq) + 2 Fe2+ (aq) +...
Which compound is being reduced in the following reaction: H2O2 (aq) + 2 Fe2+ (aq) + 2 H3O+ (aq) → 2 Fe3+ (aq) + 4 H20 (1) How many electrons are transferred in the following reaction? 2C103- +12H+ + 101 512 + Cl2 + 6H2O Show your work to get credit. What is the Eºcell, AG', and K for the following reaction? 12(s) + Mg(s) → Mg2+(aq) +2 1. (aq) You must show your work to get credit. Reduction Half-Reaction...
For each of the following redox reactions, determine which element is being reduced and which is...
For each of the following redox reactions, determine which element is being reduced and which is being oxidized. (help it should be a one element answer!!) (a) MnO2(aq) + K2C2O4(aq) + 2 H2SO4(aq) → MnSO4(aq) + K2SO4(aq) + 2 CO2(g) + 2 H2O(l) element being reduced : Mn Correct: Your answer is correct. element being oxidized: ?? (c) 2 CrO3(aq) + 3 CH3CH2OH(aq) → Cr2O3(aq) + 3 CH3CHO(aq) + 3 H2O(l) element being reduced ?? element being oxidized ??
Question 1 (4 points) Given the following balanced equation Cr, 0,2- + 3 H2O +8 H+...
Question 1 (4 points) Given the following balanced equation Cr, 0,2- + 3 H2O +8 H+ + 2 Cr3+ + 3 0, +7H,O What is the total number of electrons transferred in the balanced reaction? Please enter a number. What is the oxidation number of Cr in the dichromate ion? Please enter a number such as +2 or -2.
For each of the following redox reactions (not balanced), define which component is being reduced and which is being oxidized as the reaction progresses. *It may be quite beneficial to draw the element in question and its electrons in its reactant and product state. 1) C6H12O6 + O2 → CO2 + H2O Carbon is Oxygen is 2) CO2 + H2O + CHA + O2 Carbon is Oxygen is 3) NAD + H+ + 2e + Malate → NADH + Oxaloacetate...
1. Balance the following reaction in the medium specified. (10 pts) a. Which element is being oxidized. b. Which element is being reduced. c. Identify the oxidizing and reducing agent. CIO3+ (aq) + l'(aq) --l(s) +Cl(aq) (acidic) 2. What is the oxidation number of the indicated element in the following compounds (6 pts) N in HNO, Cl in HCIO, Mn in KMnO4 3. Given the reaction (5 pts) 2C4H10(g) + 1302(g) → 8CO2(g) + 10H2O(g) How many moles of C&H1o...
Identify which element is being reduced and oxidized in the following reaction. (For full credit, please give the oxidation states of each clement or ion below.) 4 Fe (s) + 3 O_2(g) rightarrow 2Fe_2Q_3 (s)
chem ll
For the reaction KCIO, — KCI + O2 assign oxidation numbers to each element on each side of the equation. K in KCIO: K in KCI: Question 1 of 18 > Cl in KCIO,: Clin KCI: O in KCIO, O in 0,: Which element is oxidized? Which element is reduced? OCI OK Oo ОСІ O in KCIO, in 0,: Which element is reduced? Which element is oxidized? ОСІ Ок Оо ОСІ Ок ОО In a hydrogen fuel cell,...
Figure out whether the balanced chemical reaction shown below
involves oxidation reduction. If it does figure out which element
becomes oxidized by the reaction and which element becomes reduced
by the reaction. Pick the correct statement about
this reaction from the multiple choices.
4 KMnO4(aq) + 5 CH3OH(aq) + 12 HCl(aq)
4 MnCl2(aq) + 5 HCO2H(aq) +
4 KCl(aq) + 11 H2O(l)
a) This reaction is not a redox reaction.
b) In this reaction H becomes oxidized and Cl becomes...
8. (12 pts) For the following reaction, identify the oxidation number for each element on each side of the equation; identify what is oxidized and what is reduced; identify the oxidizing agent and the reducing agent; tell how many electrons are transferred as the reaction takes place. 2 MnCO3(s) + O2(g) → 2 MnOz(s) + 2 CO2(g) 9. (4 pts) What molarity of sodium ions results when 1.00 moles of Na2SO4 are combined with enough water to make 2.00 L...
a In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation numbers: Ba(s)S(s)BaS (s) barium is reduced; sulfur is reduced barium is reduced; sulfur is oxidized barium is oxidized; sulfur is oxidized barium is oxidized; sulfur is reduced Submit b In the following reaction, identify which element is oxidized and which is reduced by assigning oxidation number 2Sr(s)02(g)> 2SrO(s) strontium is reduced; oxygen is reduced strontium is oxidized; oxygen is reduced strontium is oxidized;...
Which compound is being reduced in the following reaction: H2O2 (aq) + 2 Fe2+ (aq) + 2 H3O+ (aq) → 2 Fe3+ (aq) + 4 H20 (1) How many electrons are transferred in the following reaction? 2C103- +12H+ + 101 512 + Cl2 + 6H2O Show your work to get credit. What is the Eºcell, AG', and K for the following reaction? 12(s) + Mg(s) → Mg2+(aq) +2 1. (aq) You must show your work to get credit. Reduction Half-Reaction...
Question 1 (4 points) Given the following balanced equation Cr, 0,2- + 3 H2O +8 H+ + 2 Cr3+ + 3 0, +7H,O What is the total number of electrons transferred in the balanced reaction? Please enter a number. What is the oxidation number of Cr in the dichromate ion? Please enter a number such as +2 or -2.
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