The figure shows the electrolysis of molten AlCl3.What is the balanced equation for the reaction?

A) AlCl3(l) $\rightarrow$ Al3+(l) + 3Cl-(l) B) AlCl3(l) $\rightarrow$ Al(l) + Cl3(g) C) 2AlCl3(l) $\rightarrow$ 2Al(l) + 3Cl2(g) D) AlCl3(s) $\rightarrow$ Al3+(aq) + 3Cl-(aq) E) 2AlCl3(s) $\rightarrow$ 2Al(s) + 3Cl2(s) A) AlCl3(l) $\rightarrow$ Al3+(l) + 3Cl-(l) B) AlCl3(l) $\rightarrow$ Al(l) + Cl3(g) C) 2AlCl3(l) $\rightarrow$ 2Al(l) + 3Cl2(g) D) AlCl3(s) $\rightarrow$ Al3+(aq) + 3Cl-(aq) E) 2AlCl3(s) $\rightarrow$ 2Al(s) + 3Cl2(s)

Consider the following reaction: Mg(s) + NiSO4(aq) $\rightarrow$ MgSO4(aq) + Ni(s) Which of the following statements regarding this reaction is correct?

A) Each magnesium atom gains two electrons. B) The sulfate ion is reduced. C) Nickel ion is the oxidizing agent. D) Magnesium is reduced. E) Each nickel ion loses two electrons. A) Each magnesium atom gains two electrons. B) The sulfate ion is reduced. C) Nickel ion is the oxidizing agent. D) Magnesium is reduced. E) Each nickel ion loses two electrons.

Consider a voltaic cell that corresponds to the following reaction: Mg(s) + Sn2+(aq) $\rightarrow$Mg2+(aq) + Sn(s) Which of the following statements is correct?

A) Magnesium is the oxidizing agent. B) The Sn2+ solution must be in the half-cell with the magnesium electrode. C) No salt bridge is necessary, since the charge is 2+ on both sides of the equation. D) The tin electrode is the cathode. E) Four electrons will be transferred per atom of magnesium that reacts. A) Magnesium is the oxidizing agent. B) The Sn2+ solution must be in the half-cell with the magnesium electrode. C) No salt bridge is necessary, since the charge is 2+ on both sides of the equation. D) The tin electrode is the cathode. E) Four electrons will be transferred per atom of magnesium that reacts.

Consider the reaction: Cu(s) + 4HNO3(aq) $\rightarrow$ Cu(NO3)2(aq) + 2NO2(g) + 2OH-(aq) Which species is the oxidizing agent?

A) OH- B) NO2 C) Cu(NO3)2 D) HNO3 E) Cu A) OH- B) NO2 C) Cu(NO3)2 D) HNO3 E) Cu

Consider the reaction: 2HgO(s) $\rightarrow$ 2Hg(l) + O2(g) Which of the following statements is correct?

A) Mercury is reduced. B) Oxygen is oxidized. C) Mercury(II) ion is the oxidizing agent. D) Oxide ion is the reducing agent. E) All of these statements are correct. A) Mercury is reduced. B) Oxygen is oxidized. C) Mercury(II) ion is the oxidizing agent. D) Oxide ion is the reducing agent. E) All of these statements are correct.

Consider the skeletal equation: Sn2+(aq) + Fe3+(aq) $\rightarrow$Sn4+(aq) + Fe2+(aq) When balanced, the equation will be:

A) Sn2+(aq) + Fe3+(aq) $\rightarrow$Sn4+(aq) + Fe2+(aq) B) 2Sn2+(aq) + Fe3+(aq) $\rightarrow$ Sn4+(aq) + Fe2+(aq) C) 2Sn2+(aq) + Fe3+(aq) $\rightarrow$2Sn4+(aq) + Fe2+(aq) D) Sn2+(aq) + 2Fe3+(aq) $\rightarrow$ Sn4+(aq) + 2Fe2+(aq) E) 4Sn2+(aq) + Fe3+(aq) $\rightarrow$2Sn4+(aq) + Fe2+(aq) A) Sn2+(aq) + Fe3+(aq) $\rightarrow$Sn4+(aq) + Fe2+(aq) B) 2Sn2+(aq) + Fe3+(aq) $\rightarrow$ Sn4+(aq) + Fe2+(aq) C) 2Sn2+(aq) + Fe3+(aq) $\rightarrow$2Sn4+(aq) + Fe2+(aq) D) Sn2+(aq) + 2Fe3+(aq) $\rightarrow$ Sn4+(aq) + 2Fe2+(aq) E) 4Sn2+(aq) + Fe3+(aq) $\rightarrow$2Sn4+(aq) + Fe2+(aq)

Exam 14: Oxidation-Reduction Reactions

Consider the following oxidation-reduction reaction: 2Fe³⁺(aq) + 2Hg(l) + 2Cl^-(aq) $\rightarrow$ 2Fe²⁺(aq) + Hg₂Cl₂(s) Which one of the following pairs correctly indicates the oxidizing agent and the reducing agent in this reaction? Oxidizing agent Reducing agent

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Question 1

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The products of the electrolysis of molten calcium chloride are

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Question 2

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The figure shows the electrolysis of molten NaI.What reaction occurs at the cathode of this cell?

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Question 3

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Consider the reaction: Zn(s) + NO₃-(aq) $\rightarrow$ NH₃(aq) + Zn(OH)₄²^-(aq) When this equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

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Question 4

Which of the following reactions is not an oxidation-reduction reaction?

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Question 5

Consider the half-reaction O₂(aq) $\rightarrow$ OH^-(aq).When the equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

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Question 6

The figure shows the electrolysis of molten AlCl₃.What is the balanced equation for the reaction?

Showing 1 - 20 of 117

Consider the following oxidation-reduction reaction: 2Fe³⁺(aq) + 2Hg(l) + 2Cl^-(aq) $\rightarrow$ 2Fe²⁺(aq) + Hg₂Cl₂(s) Which one of the following pairs correctly indicates the oxidizing agent and the reducing agent in this reaction? Oxidizing agent Reducing agent

The products of the electrolysis of molten calcium chloride are

The figure shows the electrolysis of molten NaI.What reaction occurs at the cathode of this cell?

Consider the reaction: Zn(s) + NO₃-(aq) $\rightarrow$ NH₃(aq) + Zn(OH)₄²^-(aq) When this equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

Which of the following reactions is not an oxidation-reduction reaction?

Consider the half-reaction O₂(aq) $\rightarrow$ OH^-(aq).When the equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

The figure shows the electrolysis of molten AlCl₃.What is the balanced equation for the reaction?

Consider the half-reaction ClO^-(aq) $\rightarrow$ Cl^-(aq).When the equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

Consider the following reaction: Mg(s) + NiSO₄(aq) $\rightarrow$ MgSO₄(aq) + Ni(s) Which of the following statements regarding this reaction is correct?

Consider a voltaic cell that corresponds to the following reaction: Mg(s) + Sn²⁺(aq) $\rightarrow$ Mg²⁺(aq) + Sn(s) Which of the following statements is correct?

In which substance does chlorine have an oxidation number of 4+?

An electrolytic cell produces electrical energy.

A voltaic cell is prepared in which aluminum metal is oxidized to Al³⁺, and nickel(II) is reduced to nickel metal.Which of the following represents the equation for the reaction that occurs at the anode?

In which substance does chlorine have an oxidation number of 7+?

Consider the reaction: Cu(s) + 4HNO₃(aq) $\rightarrow$ Cu(NO₃)₂(aq) + 2NO₂(g) + 2OH^-(aq) Which species is the oxidizing agent?

In which compound does bromine have an oxidation number of 3+?

Consider the reaction: 2HgO(s) $\rightarrow$ 2Hg(l) + O₂(g) Which of the following statements is correct?

The balanced half-reaction for the oxidation of nickel to nickel(II) is Ni(s) $\rightarrow$ Ni²⁺(aq) + 2e^-.

Consider the skeletal equation: Sn²⁺(aq) + Fe³⁺(aq) $\rightarrow$ Sn⁴⁺(aq) + Fe²⁺(aq) When balanced, the equation will be:

In which compound does phosphorus have an oxidation number of 3-?

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Exam 14: Oxidation-Reduction Reactions

Consider the following oxidation-reduction reaction: 2Fe3+(aq) + 2Hg(l) + 2Cl-(aq) →\rightarrow→ 2Fe2+(aq) + Hg2Cl2(s) Which one of the following pairs correctly indicates the oxidizing agent and the reducing agent in this reaction? Oxidizing agent Reducing agent

The products of the electrolysis of molten calcium chloride are

The figure shows the electrolysis of molten NaI.What reaction occurs at the cathode of this cell?

Consider the reaction: Zn(s) + NO3-(aq) →\rightarrow→ NH3(aq) + Zn(OH)42-(aq) When this equation is balanced in basic solution, the coefficient for water will be__________, and the number of electrons transferred will be __________.

Which of the following reactions is not an oxidation-reduction reaction?

Consider the half-reaction O2(aq) →\rightarrow→ OH-(aq).When the equation is balanced in basic solution, the coefficient for water will be__________, and the number of electrons transferred will be __________.

The figure shows the electrolysis of molten AlCl3.What is the balanced equation for the reaction?

Consider the half-reaction ClO-(aq) →\rightarrow→ Cl-(aq).When the equation is balanced in basic solution, the coefficient for water will be__________, and the number of electrons transferred will be __________.

Consider the following reaction: Mg(s) + NiSO4(aq) →\rightarrow→ MgSO4(aq) + Ni(s) Which of the following statements regarding this reaction is correct?

Consider a voltaic cell that corresponds to the following reaction: Mg(s) + Sn2+(aq) →\rightarrow→ Mg2+(aq) + Sn(s) Which of the following statements is correct?

In which substance does chlorine have an oxidation number of 4+?

An electrolytic cell produces electrical energy.

A voltaic cell is prepared in which aluminum metal is oxidized to Al3+, and nickel(II) is reduced to nickel metal.Which of the following represents the equation for the reaction that occurs at the anode?

In which substance does chlorine have an oxidation number of 7+?

Consider the reaction: Cu(s) + 4HNO3(aq) →\rightarrow→ Cu(NO3)2(aq) + 2NO2(g) + 2OH-(aq) Which species is the oxidizing agent?

In which compound does bromine have an oxidation number of 3+?

Consider the reaction: 2HgO(s) →\rightarrow→ 2Hg(l) + O2(g) Which of the following statements is correct?

The balanced half-reaction for the oxidation of nickel to nickel(II) is Ni(s) →\rightarrow→ Ni2+(aq) + 2e-.

Consider the skeletal equation: Sn2+(aq) + Fe3+(aq) →\rightarrow→ Sn4+(aq) + Fe2+(aq) When balanced, the equation will be:

In which compound does phosphorus have an oxidation number of 3-?

Matter and Energy

Atoms, Ions, and the Periodic Table

Chemical Compounds

Chemical Composition

Chemical Reactions and Equations

Quantities in Chemical Reactions

Electron Structure of the Atom

Chemical Bonding

The Gaseous State

The Liquid and Solid States

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Biochemistry

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Consider the following oxidation-reduction reaction: 2Fe³⁺(aq) + 2Hg(l) + 2Cl^-(aq) $\rightarrow$ 2Fe²⁺(aq) + Hg₂Cl₂(s) Which one of the following pairs correctly indicates the oxidizing agent and the reducing agent in this reaction? Oxidizing agent Reducing agent

Consider the reaction: Zn(s) + NO₃-(aq) $\rightarrow$ NH₃(aq) + Zn(OH)₄²^-(aq) When this equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

Consider the half-reaction O₂(aq) $\rightarrow$ OH^-(aq).When the equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

The figure shows the electrolysis of molten AlCl₃.What is the balanced equation for the reaction?

Consider the half-reaction ClO^-(aq) $\rightarrow$ Cl^-(aq).When the equation is balanced in basic solution, the coefficient for water will be, and the number of electrons transferred will be .

Consider the following reaction: Mg(s) + NiSO₄(aq) $\rightarrow$ MgSO₄(aq) + Ni(s) Which of the following statements regarding this reaction is correct?

Consider a voltaic cell that corresponds to the following reaction: Mg(s) + Sn²⁺(aq) $\rightarrow$ Mg²⁺(aq) + Sn(s) Which of the following statements is correct?

A voltaic cell is prepared in which aluminum metal is oxidized to Al³⁺, and nickel(II) is reduced to nickel metal.Which of the following represents the equation for the reaction that occurs at the anode?

Consider the reaction: Cu(s) + 4HNO₃(aq) $\rightarrow$ Cu(NO₃)₂(aq) + 2NO₂(g) + 2OH^-(aq) Which species is the oxidizing agent?

Consider the reaction: 2HgO(s) $\rightarrow$ 2Hg(l) + O₂(g) Which of the following statements is correct?

The balanced half-reaction for the oxidation of nickel to nickel(II) is Ni(s) $\rightarrow$ Ni²⁺(aq) + 2e^-.

Consider the skeletal equation: Sn²⁺(aq) + Fe³⁺(aq) $\rightarrow$ Sn⁴⁺(aq) + Fe²⁺(aq) When balanced, the equation will be: