Identify the oxidation-reduction reactions among the following:
1. Zn(s) + Cu2+(aq) ? Zn2+(aq) + Cu(s)
2. 2 Na(s) + Cl2(aq) ? 2NaCl(s)
3. 2 Mg(s) + O2(g) ? 2 MgO
A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) All of 1, 2, and 3
E) None of 1, 2, and 3
Answer: D
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Chemistry Chapter 7
- When the equation, ___O2 + ___C6 H14 ? ___CO2 + ___H2O is balanced, the coefficient of O2 is:
- The mixing of sodium metal and chlorine gas would be the type of reaction known as:
- Which statement about ozone is TRUE?
- Identify the double displacement reactions among the following:
- What must be supplied for a decomposition reaction to happen?
- What type of reaction is the generic equation AB > A+B?
- What type of reaction is the generic equation AB + CD > AD + CB?
- What type of reaction is the generic equation A + BC ? AC + B?
- What type of reaction is the generic equation A + B > AB?
- The reaction CH4 (g) + 2 O2 (g) ? CO2 (g) + 2 H2O (g) is:
- Which of the following statements about redox reactions is FALSE?
- A redox reaction has occurred ________.
- Methane gas (CH4), on complete combustion in air, produces:
- What type of a reaction occurs when potassium metal reacts with fluorine gas?
- As defined in the text, identify the "gas evolution" reactions among the following:
- Which of the following would NOT be a product from mixing hydrochloric acid with a solution of sodium sulfite?
- What type of a reaction occurs when a hydrochloric acid solution is mixed with a sodium bicarbonate solution?
- What is the gas produced when hydrochloric acid is reacted with ammonium carbonate?
- Which of the following types of compounds will NOT undergo a gas evolution reaction when acid is added?
- When a solution of MgCl2 and one of AgNO3 are mixed, the net ionic equation is:
- What is the complete ionic equation for the reaction of hydrochloric acid with potassium hydroxide?
- What is the molecular equation for the reaction of hydrochloric acid with potassium hydroxide?
- What is the net ionic equation for the reaction of hydrochloric acid with potassium hydroxide?
- What type of a reaction occurs when a sodium hydroxide solution is mixed with an acetic acid solution?