General Chemistry
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Identify the type of reaction occurring given that it is carried out in standard conditions.
Sulfur dioxide gas reacts with carbon monoxide.
H2 and Cl2 gas combine to form HCl gas.
Sodium hydride decomposes into Na metal and H2 gas.
Consider the following spontaneous cell reactions:
X + Z2+ → X2+ + Z
Y + Z2+ → Y2+ + Z
X + Y2+ → X2+ + Y
Sort the following reduction half-reactions in decreasing order of likelihood of occurrence:
(1) X2+ + 2 e– → X
(2) Y2+ + 2 e– → Y
(3) Z2+ + 2 e– → Z
Does a reaction occur when a strip of cobalt is dipped into an aqueous solution of Fe(NO3)2 under standard-state conditions? If there is, what is the reaction?
Does a reaction occur when a strip of nickel is dipped into an aqueous solution of CuNO3 under standard-state conditions? If there is, what is the reaction?
Does a reaction occur when oxygen gas is bubbled through an acidic solution of Mn(NO3)2 under standard-state conditions? If there is, what is the reaction?
Identify the best oxidizing agent and the best reducing agent.
Ferrates can be formed by heating ferric oxide with other metal oxides or carbonates. One such reaction is Fe2O3 + ZnO → Zn(FeO2)2. Identify if Fe is oxidized, reduced, or neither in this reaction.
Peracetic acid is produced by the reaction of acetaldehyde with oxygen gas: O2 + CH3CHO → CH3CO3H. Is oxygen reduced or oxidized in this reaction?
Identify the reducing agent and the oxidizing agent in the following reaction: C + 2 H2SO4 → CO2 + 2 SO2 + 2 H2O.
Identify the reducing agent and the oxidizing agent in the following reaction: 2 Sb + 2 HNO3 → Sb2O3 + 2 NO + H2O
To turn NO into NO2, a/an _ is required.
Choose the correct statement
Which of the following statements is true?
Brønsted–Lowry defined acid-base reactions as proton-transfer reactions where a weak acid will have a strong conjugate base. In terms of redox reaction, which of the following statements is true?
What type of reaction occurs between Cu and AgNO3?
Determine the part of the periodic table in the image that is easily reduced:
Select the correct statement:
For Pt(SO4)2 + 4 RbI → PtI2 + I2 + 2 Rb2SO4, give the oxidation number for each element
Which statement is true for the following reaction?
CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (l)
For Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s), identify the reduced and oxidized element.
Select the redox reaction from the following
Identify the reducing agent and the oxidizing agent for the reaction of gold metal with I2 and NaCl producing NaAuCl4 and NaI.
Is the given reaction a redox reaction? If it is, identify the reactant that acts as an oxidizing agent and the reactant that acts as a reducing agent.
4 Na(s) + O2(g) → 2 Na2O(s)
NaOH(aq) + HCl(aq) → H2O(l) + NaCl(aq)
Identify element being reduced and element being oxidized in the following reaction:
1. Cl2 (aq) + 2NaI (aq) → I2 (aq) + 2NaCl (aq)
2. 3 Fe(NO3)2 (aq) + 2 AI (s) → 3 Fe (s) + 2 AI(NO 3)3 (aq)
Identify the oxidizing agent and the reducing agent for the following reaction.
2 Al3+(aq) + 2 Fe(s) → 2 Al(s) + 3 Fe2+(aq)
Which of the following reactions is NOT a Redox Reaction?
Identify the following for the reaction: 3 Br2 + 2 Al → 6 Br- + 2 Al3+
oxidized species: ________ oxidizing agent: _________
reduced species: ________ reducing agent: _________
For the choices below, identify where the electrons are being transferred from and to where.
Which of the following characteristics is associated with oxidation-reduction (redox) reactions?
Sulfuric acid can be produced via a wet process:S + O2 → SO22 SO2 + O2 ⇌ 2 SO3SO3 + H2O → H2SO4
Determine the element that is oxidized and reduced for the second step of the process.
Label the following as a non-redox or redox reaction. Determine the reducing agent and the oxidizing agent for the identified redox reaction.
I. Mg (s) +Cl2 (g) → MgCl2 (s)
II. Cu (s) + 2 Ag+ (aq) → Cu2+ (aq) + Ag (s)
III. 2 K (s) + F2 (g) → 2 KF (s)
IV. N2O3 (g) + H2O (l) → HNO2 (aq)
The best reducing agents are located in the lowest-right part of the periodic table while the best oxidizing agents are found in the top-left part of the periodic table. Is this statement true or false?
For the electrolysis of pure molten KBr, determine the products formed.