Classify the statements about redox reactions as true or false. True False Answer Bank A reducing agent gets oxidized as it reacts. If something is oxidized, it is formally losing electrons. If there are no changes in the oxidation state of the reactants or products of a particular reaction, that reaction is not a redox reaction. In the redox reaction Fe3 + + Co? + Fe? + + Co3 +, Fe3 + is the reducing agent and Co2 + is the oxidizing agent. Oxidizing agents can convert CO into CO,. If something is reduced, it is formally losing electrons.

Classify the statements about redox reactions as true or false. True False Answer Bank A reducing agent gets oxidized as it reacts. If something is oxidized, it is formally losing electrons. If there are no changes in the oxidation state of the reactants or products of a particular reaction, that reaction is not a redox reaction. In the redox reaction Fe3 + + Co? + Fe? + + Co3 +, Fe3 + is the reducing agent and Co2 + is the oxidizing agent. Oxidizing agents can convert CO into CO,. If something is reduced, it is formally losing electrons.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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What is(are) the spectator ion(s) for the following reaction?Ag2NO2 + HI → No spectator ion. All ions are spectator ions, no reaction. NO2‾ H+ and NO2‾
80°F Sunny The oxidation number of an element can vary. O True Search F8 6725 F9 O False - « Οι F10
educed. If it is not, select No and leave the following boxes blank. Express your answers as a chemical formulas. Omit st Sc(s) + 3Ag (ag) 3 Ag(s) + Sc+ (aq) a. Redox? Oxidizing Agent Reducing Agent Substance Oxidized Substance Reduced b. HI(g) + NH3 (9) → NH,I(s) Oxidizing Agent Redox? Reducing Agent Substance Oxidized Substance Reduced SiBr. (1) + 2H2 0(1) → 4HB1(aq) + SiO2 (s) с. Oxidizing Agent Redox? Reducing Agent Substance Oxidized Substance Reduced
= ly sunny If an ion consists of a single atom, what can be said about the value of the oxidation number of the atom? O 0 smaller than the charge of the ion bigger than the charge of the ion equal to the charge of the ion $ FS 5 O Search 6 FB & 7 F9 ★ 8 Sc ( 9 a 81 0 G
-N 1 Osynthesis Oprecipitation c. Classify the reaction represented by the following unbalanced equation by as many methods as possible. Choose the correct balanced equation. FeCl₂ (aq) + AgNO3(aq) → Fe(NO3)2 (aq) + AgCl(s) (Select all that apply.) oxidation-reduction decomposition [Review Topics] Osingle-displacement Odouble-displacement FeCl₂ (aq) + 2AgNO3(aq) → Fe(NO3)2 (aq) + 2AgCl(s) FeCl₂ (aq) + 2AgNO3(aq) → Fe(NO3)2 (aq) + AgCl(s) (Select all that apply.) Doxidation-reduction Odecomposition Osynthesis Oprecipitation Osingle-displacement Odouble-displacement d. Classify the reaction represented by the following unbalanced equation by as many methods as possible. Choose the correct balanced equation. Al(s) + Br₂ (1)→→ AlBr3 (8) [References] 2Al(s) + 3Br2 (1)→ 2A1Br3 (8) Al(s) + 3Br2(1)→ AlBr3 (s)
3 Ba s) + 2 Al ag) → 3 Ba + 2 Al (aq) →3 Ba2+ (aq) + 2 Al () Assign oxidation numbers to each element in the reactants and products. Be sure to include + and - signs where relevant. Ba Al3+ Ba Al Enter the change in oxidation state for each element, and whether this corresponds to an increase or decrease in oxidation number. Be sure to include + and - signs where relevant. Ba went from to which corresponds to a(n) in oxidation number. Al went from to which corresponds to a(n) in oxidation number. Indicate whether each element underwent oxidation or reduction. Enteras ox or red. Ba underwent Al underwent
Write the net ionic equation for the following molecular equation. MnBr2 (aq) + (NH,)2CO3 (aq) → MnCO3 (8) + 2NH,Br(aq) (Use the lowest possible coefficients. Be sure to specify states such as (aqg) or (s). If a box is not needed, leave it blank.)
List the ions and molecules that may have precipitated as part of your final salt product. Step 1. Dissolve the Aluminum metal : (adding solid Al to a Kott Solution) Peaction between Al metal and kot. AICOH and H₂ gas.. Net ionic equation: Solution produces Tetrahydroko aluminate ion 2 A1 (s) + 20H (aq) + 6 +₂0 (1) → 2 Al (OH) - (aq) + 3H2(g) K+(aq) OH(aq) equation that describes the reaction of Sulfuric acid in water: OR H₂SO4 (aq) + H₂0 (1) H₂O+ (aq) + Hs 04" (aq) 2- HSO4 (aq) + H₂O (1) H₂0+ (aq) + 504³ (aq) Step 3: Neutralize base with acid OH reacts with acid: H₂Ocaq) + OH(aq) → 2+1₂0 (1) • Al(OH), reacts with small amount of acid; Alcot)" (q) + Hy" O cag) Al(only (n+ H₂OCD Al(OH) reacts with large amount of acid (with heat): Al (DH), (s) + 3H₂ 0 (aq) → A1 " (aq) + 6 H₂0 (1)
Consider the reaction below: Sn(NO3)4 (aq) + 2 Sr(OH)2(aq) ----> Sn(OH)4(s) + 2 Sr(NO3)2(aq) The sum of the coefficients of the net ionic equation is 1 2 4 6 7 9 10 11 12 13
For the following reaction, what happens to the oxidation state of Cl ? 2 ClO2 (g) + 2 I- (aq) ® 2 ClO2 -1 (aq) + I2(s) It does not change It changes from +4 to +5 It changes from -1 to -2 It changes from +4 to +3