Chapter 1 A Review of General Chemistry: Electrons, Bonds, and Molecular Properties
1) Chemical reactions occur as a result of ________.
A) the attraction between opposite charges
B) the nucleus—nucleus interactions
C) the motion of electrons
D) similar atoms interacting
E) combining two chemicals
Answer: C
Diff: Easy
Learning Objective: 1.1 Compare and contrast organic and inorganic compounds
2) From the following, identify the item which does not contain organic compounds.
A) medicine
B) socks
C) a plant
D) a coin
E) a plastic cup
Answer: D
Diff: Easy
Learning Objective: 1.1 Compare and contrast organic and inorganic compounds
3) What is the difference between inorganic and organic compounds?
A) organic compounds do not contain carbon
B) organic compounds contain carbon
C) organic compounds are without pesticides
D) inorganic compounds contain carbon
E) inorganic compounds are composed exclusively of transition metal elements
Answer: B
Diff: Easy
Learning Objective: 1.1 Compare and contrast organic and inorganic compounds
4) Constitutional isomers do not differ in ________.
A) physical properties
B) atomic connectivity
C) molecular formula
D) name
E) chemical constitution
Answer: C
Diff: Easy
Learning Objective: 1.2 Describe structural theory of matter, molecular formula and structural
formula
1
,5) What is the relationship between the following compounds?
A) isotopes
B) constitutional isomers
C) the same structure
D) composed of different elements
E) There is no relationship
Answer: B
Diff: Easy
Learning Objective: 1.2 Describe structural theory of matter, molecular formula and structural
formula
6) What is the relationship between the following compounds?
A) resonance isomers
B) constitutional isomers
C) empirical isomers
D) isotopes
E) There is no relationship
Answer: B
Diff: Easy
Learning Objective: 1.2 Describe structural theory of matter, molecular formula and structural
formula
7) Carbon is considered to be ________.
A) tetravalent
B) divalent
C) trivalent
D) monovalent
E) pentavalent
Answer: A
Diff: Easy
Learning Objective: 1.3 Define covalent bond, valence electrons, octet rule, and lone pair
2
,8) Which of the following compounds are constitutional isomers of each other?
A) I and II
B) III and IV
C) I, II and IV
D) II, III and IV
E) I, II, and III
Answer: E
Diff: Medium
Learning Objective: 1.2 Describe structural theory of matter, molecular formula and structural
formula
9) Which of the following compounds are constitutional isomers of each other?
A) I and II
B) II and III
C) III and IV
D) I and IV
E) II and IV
Answer: D
Diff: Medium
Learning Objective: 1.2 Describe structural theory of matter, molecular formula and structural
formula
3
, 10) Identify three constitutional isomers having the molecular formula C4H8BrCl.
A) I, II, and III
B) II, III, and IV
C) III, IV, and V
D) I, III, and V
E) II, III, and V
Answer: D
Diff: Medium
Learning Objective: 1.2 Describe structural theory of matter, molecular formula and structural
formula
11) Identify three constitutional isomers having the molecular formula C4H8O.
A) I, II, and III
B) II, III, and IV
C) III, IV, and V
D) I, II, and IV
E) II, III, and V
Answer: B
Diff: Medium
Learning Objective: 1.2 Describe structural theory of matter, molecular formula and structural
formula
12) What force is not considered in the formation of a covalent bond?
A) force of attraction between positively charged nuclei and negatively charged electrons
B) force of attraction between negatively charged electrons
C) repulsion between positively charged nuclei and negatively charged electrons
D) the distance between the atoms' nuclei
Answer: C
Diff: Easy
Learning Objective: 1.3 Define covalent bond, valence electrons, octet rule, and lone pair
4