Try to answer these 100 Comprehensive General Chemistry MCQs and check your understanding of the Comprehensive General Chemistry subject.
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A. The potential at which oxidation occurs
B. The standard electrode potential
C. The negative of the standard electrode potential
D. The positive of the standard electrode potential
A. A reaction in which electrons are lost by one atom and gained by another
B. A reaction in which one atom or molecule gains electrons from another
C. A reaction in which electrons are transferred between species or in which atoms change oxidation number
D. A reaction that occurs when two atoms or molecules interact to form a new compound
A. 1
B. -1
C. -2
D. 0
A. A reaction in which one substance gains oxygen
B. A species that is reduced
C. A species that oxidizes another species
D. A reaction in which one substance loses electrons
A. Oxoacid
B. Arrhenius acid
C. Strong acid
D. Diatomic acid
A. A substance in which O atoms are bonded to a central atom
B. A substance in which H atoms are bonded to a central atom
A. Pairing energy
B. Electron
C. Energy
D. Potential energy
A. A substance that is not affected by a magnetic field
B. A substance that is strongly attracted by a magnetic field
C. A substance that is not attracted by a magnetic field
D. A substance that is weakly attracted by a magnetic field
A. The sum of all the partial pressures of the gases in a mixture
B. The temperature of a gas
C. The pressure exerted by a particular gas in a mixture
D. The average kinetic energy of the particles in a gas
A. A device used to accelerate electrons, protons, and alpha particles and other ions to very high speeds
B. A device used to measure the speed of particles
C. A device used to split atoms
D. A device used to create and control nuclear fusion
A. Electrons must have different spin quantum numbers in order to occupy the same orbital
B. An orbital can hold no more than two electrons
C. Orbitals can hold a maximum of two electrons.
D. No two electrons in an atom can have the same four quantum numbers.
A. Three
B. One
C. Four
D. Two
A. C-N bond
B. C-O bond
C. C-N bond
D. C-C bond
A. The molecular formula of a compound
B. The empirical formula of a compound
C. The mass percentages of each element in a compound
D. The molar mass of a compound
A. Empirical composition
B. Percentage composition
C. Molecular composition
D. Molar composition
A. The actual yield (experimentally determined) expressed as a percentage of the theoretical yield (calculated)
B. The theoretical yield (calculated) expressed as a percentage of the actual yield (experimentally determined)
C. The amount of reactant that is not used up in a chemical reaction
D. The amount of a product formed in a chemical reaction
A. A set of two or more elements with similar chemical properties
B. The first element in the periodic table
C. The elements in any one horizontal row of the periodic table
D. The elements in any one vertical column of the periodic table
A. The physical and chemical properties of elements vary periodically when they are arranged by weight.
B. The physical and chemical properties of elements vary periodically when they are arranged by atomic number.
C. There is no such thing as the periodic law.
D. The physical and chemical properties of elements vary periodically when they are arranged alphabetically.
A. Alphabetically
B. Rows and columns
C. In order of increasing atomic number
D. In order of discovery
A. Map
B. Visual
C. List
D. Tabular
A. 0
B. 1
C. 2
D. -1
A. A compound with chlorine in the +1 oxidation state
B. A compound with nitrogen in the -3 oxidation state
C. A compound with oxygen in the -1 oxidation state
D. A compound with oxygen in the +1 oxidation state
A. When there is no change in the properties of matter
B. A homogeneous material present in the portion of matter under study
C. When all matter is in the same state
D. The first stage of a process
A. Heterogeneous
B. Phase One
C. Isotropic
D. Homogeneous
A. A graphical way to summarize the conditions under which the different phases of a substance are stable.
B. A way to graphically summarize the conditions under which a substance changes phase.
C. A graphical way to summarize the equation of state for a substance.
D. A graphical way to summarize the conditions under which the different states of a substance are stable.
A. Phospholipids are a type of carbohydrate.
B. Phospholipids are found in animal cells only.
C. Phospholipids are found in plant cells only.
D. They have hydrophobic and hydrophilic ends.
A. Phospholipid is a protein whereas Micelles is a lipid.
B. Phospholipid is a carbohydrate whereas Micelles is a lipid.
C. Phospholipid has a phosphate group whereas Micelles does not.
D. Phospholipid and Micelles are the same thing.
A. An organelle found in plant cells
B. A part of a cell wall consisting of two layers of carbohydrate molecules
C. A part of a biological membrane consisting of two layers of phospholipid molecules
D. A molecule composed of carbon, hydrogen, nitrogen, and oxygen
A. The generation of photons when light shines on a metal.
B. The capture of electrons by a metal or other material when light shines on it.
C. The production of electric current when light shines on a metal.
D. The ejection of electrons from the surface of a metal or other material when light shines on it.
A. Joules/second
B. Newtons
C. Coulombs
D. Joule-seconds
A. E
B. C
C. H
D. V
A. Adsorption in which the attraction is provided by strong intermolecular forces.
B. Adsorption in which the attraction is provided by weak intermolecular forces.
C. Adsorption in which the attraction is provided by electrical forces.
D. Adsorption in which the attraction is provided by chemical forces.
A. A change in the form of matter and in its physical properties
B. A change in the form of matter but not in its chemical identity
C. A change in the form of matter and in its atomic structure
D. A change in the form of matter and in its chemical identity
A. The ease with which a material can be deformed without fracture
B. A characteristic that can be observed for a material and changes its chemical identity
C. A measure of how quickly electrons can flow through a material
D. A characteristic that can be observed for a material without changing its chemical identity
A. Pi Bond
B. Covalent Bond
C. Polar Bond
D. Ionic Bond
A. A Bond that has an electron distribution in a single plane
B. A bond that has an electron distribution on either side of the bond axis
C. A bond that has an electron distribution above and below the bond axis
D. A Bond that has an electron distribution above the bond axis
A. 5.39 x 10-34 J·s
B. 6.85 x 10-34 J·s
C. 7.22 x 10-34 J·s
D. 6.63 x 10-34 J·s
A. Electrically charged gas of ions and electrons
B. Electrically charged gas of electrons only
C. Electrically neutral gas of electrons only
D. Electrically neutral gas of ions and electrons
A. A covalent bond in which the bonding electrons are donated by one atom and accepted by the other
B. A covalent bond in which the bonding electrons spend an equal amount of time near both atoms
C. A covalent bond in which the bonding electrons are shared equally by both atoms
D. A covalent bond in which the bonding electrons spend more time near one atom than near the other
A. Reacting a substance containing no amine groups with a substance containing no carboxylic acid groups
B. Reacting a substance containing two amine groups with a substance containing two carboxylic acid groups
C. Reacting a substance containing three amine groups with a substance containing three carboxylic acid groups
D. Reacting a substance containing one amine group with a substance containing one carboxylic acid group
A. An ion consisting of two or more atoms not carrying a net electric charge
B. An atom that has a net electric charge
C. An ion that is a single atom
D. An ion consisting of two or more atoms chemically bonded together and carrying a net electric charge
A. The study of the quantity of substances
B. The study of the quality of substances
C. The determination of the identity of substances present in a mixture
D. The study of the properties of substances
A. The density of a material
B. The amount of a substance or species present
C. The qualitative nature of a substance
D. The quantity of a substance
A. The study of the composition of materials and their structure and properties
B. The study of the behaviour of materials under various conditions
C. The study of how things happen and the use of this knowledge to design ways of controlling them
D. The determination of the amount of a substance or species present in a material
A. Quantum mechanics
B. Statistical mechanics
C. Quantum (wave) mechanics
D. Classical mechanics
A. A pure compound
B. A mixture of equal amounts of optical isomers
C. A solution
D. A mixture of unequal amounts of optical isomers
A. Rad the dosage of radiation that deposits 1 x 10-2 J of energy per kilogram of tissue
B. Rutherford the dosage of radiation that deposits 1 x 10-2 J of energy per kilogram of tissue
C. Curie the dosage of radiation that deposits 1 x 10-2 J of energy per kilogram of tissue
D. Gray the dosage of radiation that deposits 1 x 10-2 J of energy per kilogram of tissue
A. Nuclear Fission
B. Radioactive Decay
C. Hydrocarbon Combustion
D. Fusion Reactors
A. The rate constant for radioactive decay
B. The amount of radioactivity decay over time
C. The rate of change of radioactivity
D. A measure of radioactivity
A. A radioactive nucleus with a half-life
B. A radioactive nucleus with a mass number
C. A stable, non-radioactive nucleus
D. An unstable, radioactive nucleus