TEST BANK FOR CHEMISTRY EXAM QUESTIONS AND CORRECT
ANSWERS|ACCURATE REAL EXAM WITH RATIONALE| ALREADY GRADED
A|GUARANTEED PASS|LATEST UPDATE 2024|2025
An alpha hydroxy carboxylic acid has an additional -OH group attached to the molecule at which
location?
A) the carbonyl carbon atom
B) the #2 carbon atom
C) the carbon atom farthest from the carboxyl group
D) the carbon atom that contains the amine group
E) none of the above - CORRECT ANSWER B) the #2 carbon atom
Carboxylic acids generally taste ________.
A) sour
B) sweet
C) bitter
D) salty
E) spicy - CORRECT ANSWER A) sour
The solubility of compounds containing the carboxylic acid group can be increased by reaction
with
A) sulfuric acid.
B) nitric acid.
C) sodium hydroxide.
D) water.
E) benzoic acid. - CORRECT ANSWER C) sodium hydroxide.
Which equation correctly represents the dissociation of a carboxylic acid in water?
A) CH3COOH + H2O CH3CHCOOH2+ + OH-
B) CH3COOH CH3COO- + H+
C) CH3COOH + H2O CH3COO- + H3O+
,D) CH3COOH + H3O+ CH3COOH2+ + H2O
E) CH3COOH + 2 H2O CH3COO2- + 2 H3O+ - CORRECT ANSWER C) CH3COOH + H2O
CH3COO- + H3O+
The ion formed from a carboxylic acid is called the
A) carboxylate anion.
B) carboxylate cation.
C) ester anion.
D) ester cation.
E) amide cation. - CORRECT ANSWER A) carboxylate anion.
Reaction of a carboxylic acid with a base like sodium hydroxide, NaOH gives ________
A) a carboxylate salt.
B) an alkoxide salt.
C) an ester.
D) an alcohol.
E) none of the above. - CORRECT ANSWER A) a carboxylate salt.
Which of the following conditions would favor the carboxylate ion form of a carboxylic acid?
A) low pH
B) high pH
C) both A and B
D) neither A nor B - CORRECT ANSWER B) high pH
Which one of the following is the study of matter and the energy that causes matter to combine,
break apart, and recombine in everything living and nonliving?
A) biology
B) geology
C) chemistry
D) physics - CORRECT ANSWER C) chemistry
,Which one of the following characteristics applies to both living organisms and nonliving
things?
A) composed of matter
B) capable of reproduction
C) capable of storing energy for later use
D) capable of growth
E) composed of cells - CORRECT ANSWER A) composed of matter
A mad scientist has ripped apart an atom and collected all the subatomic particles located in the
nucleus of the atom. Which one of the following has he collected?
A) electrons
B) protons
C) protons and neutrons
D) electrons and protons
E) neutrons and electrons - CORRECT ANSWER C) protons and neutrons
Which one of the following statements is TRUE regarding the structure of the atom?
A) The nucleus is composed of equal numbers of positively charged particles and negatively
charged particles.
B) All electrons are located at the same distance from the nucleus.
C) In small elements, such as carbon, electrons have a positive charge; in larger elements, such
as barium, electrons have a negative charge.
D) Most of the mass of an atom is due to its protons and neutrons.
E) Neutrons carry a negative charge. - CORRECT ANSWER D) Most of the mass of an atom is
due to its protons and neutrons.
Which one of the following statements CORRECTLY describes the relationship between an
atom and an element?
A) An element is the fundamental unit of an atom.
, B) An element is composed of atoms that are joined together by ionic and covalent bonds.
C) An atom is composed of different elements that are joined together by ionic and covalent
bonds.
D) An atom is the smallest unit of an element that demonstrates all of the properties of that
element. - CORRECT ANSWER D) An atom is the smallest unit of an element that
demonstrates all of the properties of that element.
The total number of protons and neutrons in an atom can best be determined by
A) atomic mass.
B) the subscript number following the chemical symbol.
C) the atomic number.
D) the charge of the atom.
E) the chemical symbol. - CORRECT ANSWER A) atomic mass.
Isotopes of an element have the same ________, but different ________.
A) number of electron shells; numbers of protons
B) atomic number; atomic masses
C) number of neutrons; numbers of protons
D) atomic mass; atomic numbers E) name; chemical symbols - CORRECT ANSWER B) atomic
number; atomic masses
Radioisotopes have a number of uses in science and medicine. These uses include which one of
the following?
A) repairing damaged heart tissue
B) dating fossils and treating cancer
C) providing the power supply in heart pacemakers
D) treating asthma and regulating nerve transmission
E) curing diabetes - CORRECT ANSWER B) dating fossils and treating cancer
ANSWERS|ACCURATE REAL EXAM WITH RATIONALE| ALREADY GRADED
A|GUARANTEED PASS|LATEST UPDATE 2024|2025
An alpha hydroxy carboxylic acid has an additional -OH group attached to the molecule at which
location?
A) the carbonyl carbon atom
B) the #2 carbon atom
C) the carbon atom farthest from the carboxyl group
D) the carbon atom that contains the amine group
E) none of the above - CORRECT ANSWER B) the #2 carbon atom
Carboxylic acids generally taste ________.
A) sour
B) sweet
C) bitter
D) salty
E) spicy - CORRECT ANSWER A) sour
The solubility of compounds containing the carboxylic acid group can be increased by reaction
with
A) sulfuric acid.
B) nitric acid.
C) sodium hydroxide.
D) water.
E) benzoic acid. - CORRECT ANSWER C) sodium hydroxide.
Which equation correctly represents the dissociation of a carboxylic acid in water?
A) CH3COOH + H2O CH3CHCOOH2+ + OH-
B) CH3COOH CH3COO- + H+
C) CH3COOH + H2O CH3COO- + H3O+
,D) CH3COOH + H3O+ CH3COOH2+ + H2O
E) CH3COOH + 2 H2O CH3COO2- + 2 H3O+ - CORRECT ANSWER C) CH3COOH + H2O
CH3COO- + H3O+
The ion formed from a carboxylic acid is called the
A) carboxylate anion.
B) carboxylate cation.
C) ester anion.
D) ester cation.
E) amide cation. - CORRECT ANSWER A) carboxylate anion.
Reaction of a carboxylic acid with a base like sodium hydroxide, NaOH gives ________
A) a carboxylate salt.
B) an alkoxide salt.
C) an ester.
D) an alcohol.
E) none of the above. - CORRECT ANSWER A) a carboxylate salt.
Which of the following conditions would favor the carboxylate ion form of a carboxylic acid?
A) low pH
B) high pH
C) both A and B
D) neither A nor B - CORRECT ANSWER B) high pH
Which one of the following is the study of matter and the energy that causes matter to combine,
break apart, and recombine in everything living and nonliving?
A) biology
B) geology
C) chemistry
D) physics - CORRECT ANSWER C) chemistry
,Which one of the following characteristics applies to both living organisms and nonliving
things?
A) composed of matter
B) capable of reproduction
C) capable of storing energy for later use
D) capable of growth
E) composed of cells - CORRECT ANSWER A) composed of matter
A mad scientist has ripped apart an atom and collected all the subatomic particles located in the
nucleus of the atom. Which one of the following has he collected?
A) electrons
B) protons
C) protons and neutrons
D) electrons and protons
E) neutrons and electrons - CORRECT ANSWER C) protons and neutrons
Which one of the following statements is TRUE regarding the structure of the atom?
A) The nucleus is composed of equal numbers of positively charged particles and negatively
charged particles.
B) All electrons are located at the same distance from the nucleus.
C) In small elements, such as carbon, electrons have a positive charge; in larger elements, such
as barium, electrons have a negative charge.
D) Most of the mass of an atom is due to its protons and neutrons.
E) Neutrons carry a negative charge. - CORRECT ANSWER D) Most of the mass of an atom is
due to its protons and neutrons.
Which one of the following statements CORRECTLY describes the relationship between an
atom and an element?
A) An element is the fundamental unit of an atom.
, B) An element is composed of atoms that are joined together by ionic and covalent bonds.
C) An atom is composed of different elements that are joined together by ionic and covalent
bonds.
D) An atom is the smallest unit of an element that demonstrates all of the properties of that
element. - CORRECT ANSWER D) An atom is the smallest unit of an element that
demonstrates all of the properties of that element.
The total number of protons and neutrons in an atom can best be determined by
A) atomic mass.
B) the subscript number following the chemical symbol.
C) the atomic number.
D) the charge of the atom.
E) the chemical symbol. - CORRECT ANSWER A) atomic mass.
Isotopes of an element have the same ________, but different ________.
A) number of electron shells; numbers of protons
B) atomic number; atomic masses
C) number of neutrons; numbers of protons
D) atomic mass; atomic numbers E) name; chemical symbols - CORRECT ANSWER B) atomic
number; atomic masses
Radioisotopes have a number of uses in science and medicine. These uses include which one of
the following?
A) repairing damaged heart tissue
B) dating fossils and treating cancer
C) providing the power supply in heart pacemakers
D) treating asthma and regulating nerve transmission
E) curing diabetes - CORRECT ANSWER B) dating fossils and treating cancer
