Chem Practice Problems 1-5

Which of the following represents the generic form of a single-displacement reaction? A) A + BX → AX + B B) AB → A + B C) AX + BY → AY + BX D) A + B → AB

A) A + BX → AX + B

Hydrogenation of an alkene is an example of what kind of reaction? A) Addition B) Oxidation C) Hydrolysis D) Hydration

A) Addition

Module 4: In what type of reaction are there more product substances than reactant substances? A) Synthesis B) Decomposition C) Single displacement D) Double displacement

B) Decomposition

What are the reactants in the following equation: HCl(aq) + NaHCO₃(aq)→ CO₂(g) + H₂O(l) + NaCl(aq) A) HCl, NaHCO₃ B) HCl, CO₂ C) NaHCO₃, H₂O D) CO₂, H₂O E) H₂O, NaCl, CO₂

A) HCl, NaHCO₃

This equation represents a _________ reaction. A) carboxylation B) oxidation C) reduction D) hydrolysis

A) carboxylation

When a substance is reduced, it is called a(n): A) oxidizing agent B) reducing agent C) both D) neither

A) oxidizing agent

When an organic molecule gains hydrogen atoms it is said to be: A) reduced B) oxidized C) both oxidized and reduced D) neither oxidized nor reduced

A) reduced

When an organic molecule loses oxygen atoms it is said to be: A) reduced B) oxidized C) both oxidized and reduced D) neither oxidized nor reduced

A) reduced

Oxidation always involves _____________ of electrons and may involve ____________ of oxygen atoms or ___________ of hydrogen atoms. A) gain, gain, loss B) loss, loss, gain C) gain, loss, gain D) loss, gain, loss

D) loss, gain, loss

Module 4

Module 4