What reactive intermediate is formed when CHBr₃ is treated with hydroxide or when diazomethane is irradiated?

A) carbene
B) carbanion
C) carbocation
D) carbon radical

What is the [H⁺] concentration of a solution with pH = 8?

A) 1 × 10^-8
B) 1 × 10⁸
C) 1.8 × 10^-8
D) 8.1 × 10⁺⁸

What formula does an ionic compound made from aluminum and chlorine have?

A) AlCl₂
B) AlCl₃
C) Al₂Cl
D) Al₃Cl

What does aerobic respiration of glucose produce in the first step?

A) Lactic acid
B) Lactate
C) Pyruvate
D) Gluconate

Provide the structure of the major organic product that results when 4-methyl-1-pentanol is treated with PBr₃.

Draw the structure of piperidine.

Which of the presented mechanisms would be the most energetically favorable and thus the most likely mechanism to actually occur for the following free radical chain reaction?
(bond dissociation energies - H-H = 104 kcal/mol; Cl-Cl = 58 kcal/mol; H-Cl = 103 kcal/mol)
H₂ + Cl₂ 2 HCl


A) H₂ H∙ + H∙
H∙ + Cl₂ → Cl∙ + HCl
H∙ + Cl∙ → HCl

B) Cl₂ Cl∙ + Cl∙
Cl∙ + H₂ → H∙ + HCl
H∙ + Cl₂ → HCl + Cl∙

C) H₂ H∙ + H∙
H∙ + Cl₂ → Cl∙ + HCl
Cl∙ + H₂ → HCl + H∙
D) Cl₂ Cl∙ + Cl∙
Cl∙ + H₂ → H∙ + HCl
H∙ + Cl∙ → HCl

How does the oxidation number of O change in the following reaction:
2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O?

What is given off in any reaction that is classified as an explosion?

A) Noise and light
B) Gaseous chemical products and energy
C) Heat and smoke
D) Gaseous chemical products and smoke

________ polymers result from rapid reaction of one molecule at a time with a growing polymer chain, usually with a reactive intermediate at the growing end of the chain.

A) Addition
B) Condensation
C) Step-growth
D) Amorphous