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""1. Which of the following describes butane?
""1. Which of the following describes butane? An alkane with 3 carbonsAn alkyne with 3 carbonsAn alkyne with 4 carbonsAn alkane with 4 carbons4. Which statement about organic chemistry is not correct? Organic chemistry involves the study of carbon-containing compounds.Organic compounds, which contain carbon and hydrogen, are vital to all living systems.Only a few molecules have carbon as their central, core atom(s).Organic chemistry is an entire branch of chemistry dedicated to carbon.5. Which statement about a functional group is not correct? A functional group does not give a compound its characteristic properties but does directly affect the compound's overall structure.Alkanes are a functional group.The reactivity of organic molecules can be better understood by studying the reactivity of their functional groups.Carbon forms functional groups.6. Which statement about hydrocarbons is not correct? Alkanes, alkenes, and alkynes are all hydrocarbons.Alkenes have one pi bond and one sigma bond.Alkanes, alkenes, and alkynes all contain at least one pi bond.Pi bonds do not have free rotation. As a result, any alkenes or alkynes with pi bonds cannot rotate.7. It is formed by the side-to-side overlap of p orbitals.It is covalent.The greatest electron density exists along the internuclear axis.The ð bonds form from p orbitals.8. Which statement about a sigma bond is not true? (Points : 1) It can form from the interaction of a 1s and a 2p orbital.It involves electron sharing.The greatest electron density occurs along the internuclear axis.It does not involve actual bond overlap.10. (Points : 1) A methyl amine has one CH3 group attached to a nitrogen atom.Primary, secondary, and tertiary nomenclature can be used for alcohols and amines.The molecule shown in the drawing is methyl dibutyl ether.2-Propanol has an OH group attached to the second carbon atom.11. Which statement about hydrogen bonding with alcohols or amines is not correct? (Points : 1) Alcohols are good sources for weak acids and weak bases.The N-H acid bond (in amines) is much weaker than the O-H acid bond (in alcohols).In order to cause alcohol in solution to change to the gas phase, the strong bonds in the alcohol molecules must be broken by a large input of heat energy.The lone pair of electrons on amines is more basic than the lone pair of electrons on alcohols.12. Which statement about carbonyls and carbonyl function groups is not correct? (Points : 1) Which statement about carbonyls and carbonyl function groups is not correct?Ketones have two carbon atoms attached to the oxygen atom in a carbonyl.An aldehyde has at least one hydrogen atom attached to its carbonyl carbon atom.Esters can differ fundamentally from carboxylic acids by only one atom.13. A carbonyl group is __________ (Points : 1) a hydrocarbon containing the -COOH group.an oxygen double bonded to a carbon.a substance that increases the rate of a reaction.a molecule or ion that binds to another species via covalent bonding.14. Which statement about polymers is not correct? (Points : 1) Polymers are large molecules made up of repeating units of smaller molecules (called monomers).Homopolymers are generally larger than heteropolymers.Heteropolymers are categorized as either block copolymers or alternating copolymers.The structure of a polymer strongly affects the polymer's properties.15. Polymers are __________ (Points : 1) large molecules of repeating units of smaller molecules.the attractive forces that result from the polarization of adjacent nonpolar molecules.the electrons in the highest or outermost shell.isomers in which the connectivity is identical.
