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Name: Pedram karimi Part A: Knowledge and Understanding (/10) 6. SCH4U Unit 5 Electrochemistry 1. 4. The electrode at which oxidation occurs is called the a. oxidizing agent b. cathode reducing agent c. d. anode 2. Which of the following is an oxidation-reduction reaction? a. Na → Nat + 1e b. 2 SO₂ + O2 - 2 SO3 c. - C. N₂O4 → 2 NO₂ d. 2 e + F₂ → 2 F 3. Which element is oxidized in the chemical reaction shown by the following chemical equation? a. C b. H 3 Cu (s) C. N d. O e. This is not a redox reaction In the reaction Fe -> a. oxidized b. reduced + 8HNO3 (aq) Date: Dec/25/2023 c. CaH₂ d. CH₁ e. H₂ c. electrolyzed d. the oxidizing agent Ontario Virtual School 3 Cu(NO3)2 (aq) Fe³+ + 3e, the species Fe is 5. In which of the following molecules does hydrogen have an oxidation state of -1? a. H₂O b. NH3 + 2NO (g) + 4 H₂O (1) What are the oxidation numbers in the compound H3PO4? a. H=+1, P = 0, 0 = -2 b. H=+1, P = +5, 0 = -2 c. H = -1, P = +7,0 = -1 d. H=+1, P = + 1, 0 = -1

Name: Pedram karimi Part A: Knowledge and Understanding (/10) 6. SCH4U Unit 5 Electrochemistry 1. 4. The electrode at which oxidation occurs is called the a. oxidizing agent b. cathode reducing agent c. d. anode 2. Which of the following is an oxidation-reduction reaction? a. Na → Nat + 1e b. 2 SO₂ + O2 - 2 SO3 c. - C. N₂O4 → 2 NO₂ d. 2 e + F₂ → 2 F 3. Which element is oxidized in the chemical reaction shown by the following chemical equation? a. C b. H 3 Cu (s) C. N d. O e. This is not a redox reaction In the reaction Fe -> a. oxidized b. reduced + 8HNO3 (aq) Date: Dec/25/2023 c. CaH₂ d. CH₁ e. H₂ c. electrolyzed d. the oxidizing agent Ontario Virtual School 3 Cu(NO3)2 (aq) Fe³+ + 3e, the species Fe is 5. In which of the following molecules does hydrogen have an oxidation state of -1? a. H₂O b. NH3 + 2NO (g) + 4 H₂O (1) What are the oxidation numbers in the compound H3PO4? a. H=+1, P = 0, 0 = -2 b. H=+1, P = +5, 0 = -2 c. H = -1, P = +7,0 = -1 d. H=+1, P = + 1, 0 = -1

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter17: Electrochemistry
Section: Chapter Questions
Problem 20E: An active (metal) electrode was found to gain mass as the oxidation-reduction reaction was allowed...
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Name: Pedram karimi Part A: Knowledge and Understanding (/10) 6. SCH4U Unit 5 Electrochemistry 1. 4. The electrode at which oxidation occurs is called the a. oxidizing agent b. cathode reducing agent c. d. anode 2. Which of the following is an oxidation-reduction reaction? a. Na → Nat + 1e b. 2 SO₂ + O2 - 2 SO3 c. - C. N₂O4 → 2 NO₂ d. 2 e + F₂ → 2 F 3. Which element is oxidized in the chemical reaction shown by the following chemical equation? a. C b. H 3 Cu (s) C. N d. O e. This is not a redox reaction In the reaction Fe -> a. oxidized b. reduced + 8HNO3 (aq) Date: Dec/25/2023 c. CaH₂ d. CH₁ e. H₂ c. electrolyzed d. the oxidizing agent Ontario Virtual School 3 Cu(NO3)2 (aq) Fe³+ + 3e, the species Fe is 5. In which of the following molecules does hydrogen have an oxidation state of -1? a. H₂O b. NH3 + 2NO (g) + 4 H₂O (1) What are the oxidation numbers in the compound H3PO4? a. H=+1, P = 0, 0 = -2 b. H=+1, P = +5, 0 = -2 c. H = -1, P = +7,0 = -1 d. H=+1, P = + 1, 0 = -1
Transcribed Image Text:Name: Pedram karimi Part A: Knowledge and Understanding (/10) 6. SCH4U Unit 5 Electrochemistry 1. 4. The electrode at which oxidation occurs is called the a. oxidizing agent b. cathode reducing agent c. d. anode 2. Which of the following is an oxidation-reduction reaction? a. Na → Nat + 1e b. 2 SO₂ + O2 - 2 SO3 c. - C. N₂O4 → 2 NO₂ d. 2 e + F₂ → 2 F 3. Which element is oxidized in the chemical reaction shown by the following chemical equation? a. C b. H 3 Cu (s) C. N d. O e. This is not a redox reaction In the reaction Fe -> a. oxidized b. reduced + 8HNO3 (aq) Date: Dec/25/2023 c. CaH₂ d. CH₁ e. H₂ c. electrolyzed d. the oxidizing agent Ontario Virtual School 3 Cu(NO3)2 (aq) Fe³+ + 3e, the species Fe is 5. In which of the following molecules does hydrogen have an oxidation state of -1? a. H₂O b. NH3 + 2NO (g) + 4 H₂O (1) What are the oxidation numbers in the compound H3PO4? a. H=+1, P = 0, 0 = -2 b. H=+1, P = +5, 0 = -2 c. H = -1, P = +7,0 = -1 d. H=+1, P = + 1, 0 = -1
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