Chemistry 30 Diploma Practice Exam

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• What term describes compounds that have a carbon-hydrogen framework with one or more hydrogen atoms replaced by other elements?
• Which statement describes a basic solution?
• Bond energy is best described as the energy required to break or form a given chemical bond?
• Loss of electrons is known as
• Which component conducts electric current to the external circuit in a galvanic cell?
• Which term describes a substance that accepts a proton in a Brønsted-Lowry acid-base reaction?
• What best describes hydrocarbon derivatives?
• Which term best defines organic compounds as those in which carbon atoms are almost always bonded to other carbon atoms, hydrogen, and a few other elements?
• Which functional group is commonly found in hydrocarbon derivatives such as alcohols, aldehydes, ketones, and carboxylic acids?
• Hydrocarbon derivatives are compounds in which at least one hydrogen in a hydrocarbon is replaced by another element or group.
• In a titration, what term denotes the colour-change point observed by the indicator?
• Which term describes a reaction that absorbs heat from the surroundings?
• Which of the following is not a hydrocarbon derivative?
• The units commonly used for molar enthalpy are which?
• Which type of compound is defined by having oxygen connected to two carbon chains?
• Which statement describes an alkene?
• Which process involves removing water from an alcohol to form an alkene?
• Which term describes the heat absorbed or released during a chemical reaction?
• Which term is the point in titration where indicator changes colour?
• Which principle states that a system at equilibrium opposes a change in conditions?
• The threshold energy that must be overcome to initiate a reaction is called
• A sacrificial anode is used to protect a metal by preferential oxidation. Which description matches this?
• Which label describes compounds in which carbon atoms are almost always bonded to each other, to hydrogen atoms, and a few other atoms (Oxygen, Nitrogen, Sulfur, Phosphorus)?
• Which statement is true about weak acids?
• A substance that increases reaction rate without undergoing permanent chemical change is a ...
• Which process breaks down nutrients to produce ATP and releases waste products in living cells?
• Which reaction adds a group across a carbon-carbon multiple bond?
• Which term best describes a covalent bond where electrons are shared equally?
• Which term represents the oxidation state concept used to describe electrons in molecules?
• What kind of covalent bond involves equal sharing of electrons?
• Which class of organic compounds contains the carboxyl functional group?
• Which type of reaction involves replacing a hydrogen on an alkane or aromatic with another atom?
• Which of the following best describes energy efficiency in a machine?
• Which statement best describes a monoprotic acid?
• Which law states that energy cannot be created or destroyed, only transformed?
• Which process uses light to convert carbon dioxide and water into sugars, releasing oxygen as a byproduct?
• During a reaction, the arrangement of atoms at the peak of the energy barrier is best described as the
• What term refers to a chemical that, when added to water, protects the solution from large pH changes when acids or bases are added to them?
• Which substance is amphiprotic?
• The process of depositing a metal onto an object by passing a current through a solution containing metal ions is known as which term?
• What instrument is used to measure the heat involved in a chemical reaction or process?
• In organic nomenclature, replacing a hydrogen with a hydroxyl group converts a hydrocarbon into what type of derivative?
• Which term describes a reaction in which electrons are transferred between species?
• Which statement best describes weak acids?
• The enthalpy change per mole of a substance and is measured in J/mol or kJ/mol. This quantity is called what?
• Which species is the conjugate base of hydrochloric acid?
• Which term best describes a solution with pH 7?
• Cathodic protection is best described as which of the following?
• Replacing a hydrogen atom in a hydrocarbon with chlorine produces what class?
• In a Brønsted-Lowry acid-base reaction, which species loses a proton?
• Reduction potential is the ability of a half cell to attract electrons.
• Which description matches a saturated compound?
• Which class of hydrocarbons contains only single bonds and has the formula CnH2n+2?
• What term describes energy due to motion, dependent on mass of the object and the square of its velocity?
• Which term describes a solution with pH equal to 7?
• Which term describes a substance that changes colour in response to acidic or basic conditions and is commonly a weak acid?
• What term describes a group of atoms responsible for the characteristic reactions of a compound?
• Gain of electrons is called
• Heat of formation refers to the enthalpy change when a pure substance is formed from its elements under constant pressure?
• Which separation technique divides a liquid mixture into fractions based on differences in boiling points, typically using a fractionating column?
• The sum of all forms of kinetic and potential energy in a system (Ek+Ep) is described by which term?
• Which polymerization occurs when the electrons in double or triple bonds in the monomer units are rearranged?
• The pH of a solution is defined as:
• Which term refers to the arrangement of atoms at the top of the energy barrier during a reaction?
• The magnitude of electric charge per mole of electrons is known as which term?
• What is the efficiency of a machine defined as?
• Which term describes a reaction in which heat is released to the surroundings?
• Enthalpy change can be measured in which units?
• Which statement describes a solution with pH 2?
• Which type of isomer has the same molecular formula but a different arrangement of atoms?
• Which term describes a substance that changes colour when it reacts with an acid or base and is usually a weak acid itself?
• A reaction that requires energy input to proceed is described as
• Which term refers to a solution of known concentration used for standardization?
• Which statement best describes a polyprotic acid?
• Which functional group is characteristic of carboxylic acids (-COOH)?
• Which statement correctly describes strong acids?
• A substance that lowers the activation energy and speeds up a reaction without being consumed is a
• Which process joins small hydrocarbons to form larger molecules?
• If velocity doubles for a body of fixed mass, kinetic energy changes by what factor?
• Which term denotes the part of an electrochemical cell that conducts the electric current between the cell and its surroundings?
• The electrode at which reduction occurs is called what?
• What term describes an unsaturated hydrocarbon with a triple bond?
• The energy change per mole of a substance is called what?
• The process of depositing the neutral metal on the cathode by reducing metal ions in solution is known as which term?
• What is the general formula for an unsaturated hydrocarbon containing a carbon-carbon double bond?
• Which polymerization involves the formation of a small molecule, such as water, in addition to the polymer?
• In titration, what term refers to adding titrant beyond the point of complete reaction?
• In any spontaneous process, there is always an increase in the entropy of the universe. Which option best expresses this principle?
• In naming hydrocarbon derivatives, the functional group often determines the suffix used in naming.
• Which region of the titration curve is characterized by a relatively flat slope at the beginning?
• An organic compound featuring a hydroxyl group attached to a hydrocarbon is called?
• Which term describes the natural redox process that results in unwanted oxidation of a metal?
• Which process, as defined in electrochemistry, is associated with the transfer of electrons between species in a redox reaction?
• Enthalpy change being independent of the path taken is a consequence of enthalpy being a what?
• Which term describes the chemical equilibrium between a forward reaction and the reverse reaction where the rates are equal?
• What term describes the simple molecule that forms the base unit for a polymer?
• Which class of hydrocarbons includes benzene as the simplest member?
• The volume of titrant needed to reach the endpoint is called what?
• A chemical reaction that occurs on its own without the input of additional energy is described as
• Which term describes a substance with a known concentration used for standardization in titration procedures?
• What term describes a very long molecule formed by covalently bonding many monomers?
• Which class of hydrocarbons is cyclic and unsaturated, with benzene as a simple member?
• Which intermolecular force is typically strongest when hydrogen is bonded to N, O, or F?
• Which statement is true about hydrocarbon derivatives?
• Which intermolecular force arises from temporary dipoles in nonpolar molecules?
• The equilibrium constant is constant when:
• A sacrificial anode is made of a material that is more easily oxidized than the protected metal. Which option matches this description?
• What term describes the charge an atom appears to have in a neutral molecule or modified polyatomic ion?
• What term refers to isomers that have the same molecular formula but a different structure?
• Which electrode is the site of oxidation in an electrochemical cell?
• In which component do ions move toward their attracting electrode in a galvanic setup?
• Which term describes a large molecule built from repeating units derived from monomers?
• The product of a reaction between a carboxylic acid and an alcohol is called an?
• Which intermolecular force exists among noble gas atoms and nonpolar molecules due to instantaneous dipoles?
• Which term describes the reaction of a carboxylic acid with an alcohol to form an ester?
• Which statement about Hess's Law is true?
• What term refers to a set of voltaic cells connected in series, where the negative of one cell is connected to the positive of the next?
• Which statement correctly describes an acidic solution?
• The term for a reaction in which oxidation and reduction occur simultaneously is
• Which term refers to a group of chemicals that share similar properties and can be represented by a general formula?
• Which statement describes a solution with pH 11?
• Which process breaks long-chain hydrocarbons into smaller units?
• What is the name of the technique in which one solution is used to analyze another?
• What kind of covalent bond involves unequal sharing of electrons?
• Which process occurs when one element is simultaneously oxidized and reduced in a reaction?
• Which expression defines the ion-product constant for water, Kw?
• A battery is defined as which of the following?
• Which class includes oxides of carbon, carbonates, cyanides, and carbides (no C-C bonds or C-H bonds)?
• What best describes a conjugate acid-base pair?
• In analytical chemistry, what technique uses a solution to analyze another?
• Which term describes the half of an electrochemical cell that can transfer electrons via a conducting path?
• Which polymerization releases a small molecule during the reaction?
• Which term best defines a substance that donates a proton in a Brønsted-Lowry acid-base reaction?
• What is the general formula for a saturated hydrocarbon?
• The processes that involve a transfer of electrons and can be split into half-reactions are called
• Which statement best describes a weak base?
• In a potential energy diagram, which statement is true for an exothermic reaction?
• Which of the following contains a carbonyl group as a common feature of hydrocarbon derivatives?
• What is the name of the law that states a constant ratio exists between the product and reactant concentrations at equilibrium?
• What term describes the minimum energy that must be overcome for a chemical reaction to occur?
• Which of the following is an example of a hydrocarbon derivative commonly used as a solvent?
• In addition reactions, a double or triple bond breaks and a group is added across the bond. What is the name of this type of reaction?
• At 25°C, what is the relationship between pH and pOH?
• Which description best defines an unsaturated hydrocarbon?
• Which class of compounds excludes C-C or C-H bonds, including oxides of carbon, carbonates, cyanides, and carbides?
• Organic compounds in which oxygen is connected to two carbon chains are called?
• An ion that does not participate in the overall reaction and is not affected by the change is a
• Which term refers to the separate oxidation or reduction steps that together compose a redox reaction?
• Changes in enthalpy occur whenever heat is released or absorbed in a physical, chemical, or nuclear change. Enthalpy change can be measured in J or kJ. Which term describes this heat-driven energy change?
• The degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale and shown by a thermometer or perceived by touch, is described by which term?
• The ion-product constant for water, Kw, is defined by which expression?
• The condition under which two substances in physical contact exchange no heat energy is called what?
• Which gas is released as a byproduct during photosynthesis?
• What term describes energy due to position or composition?
• Which term describes the solution that is being added and its volume is measured during titration?
• The electrode at which oxidation occurs is called what?
• The pOH of a solution is defined as the negative logarithm of the concentration of which ion?
• Which statement best identifies the law stating that energy in the universe is constant?
• What is formed when a carboxylic acid reacts with an alcohol?
• What is the term for a small molecule that can join with others to form a polymer?
• Compounds in which hydrogen is replaced by halogen atoms are called?
• Which term describes a polymerization in which a small molecule is produced during the reaction, such as water?
• Which statement correctly defines a strong base?
• Which term refers to a solution that contains ions and will transmit ions?
• Which of the following is a hydrocarbon derivative?
• Which term best describes a protection method that uses electrical means to minimize corrosion of a metal surface?
• Which hydrocarbon contains a carbon-carbon double bond?
• Which term describes the point in a titration at which enough titrant has been added to react exactly with the substance in solution being titrated?
• The amount of energy required to raise the temperature of an object by one degree Celsius is known as:
• Which term marks the moment in a titration when the indicator changes colour?
• Which of the following is a hydrocarbon derivative?
• Which of the following is an example of a hydrocarbon derivative?
• Which statement best describes amphiprotic substances?
• Which statement best describes hydrocarbon derivatives?
• Which term describes the process in which a small molecule is released during polymerization?
• The vigorous exothermic reaction that occurs between certain substances, especially organic compounds, with oxygen is called?
• Which of the following is not a strong base?
• During cellular respiration, the primary energy currency produced is what?
• The equilibrium constant for a reaction at a fixed temperature is defined as: