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CHE114 Lab 4aThe BasicsIn today’s lab you will use molecular modeling kits to build and understand the importance of functional groups in organic chemistry. Your lab instructor will take a picture of each of these sets when you complete them. In each case, you must draw the structural formula of the compound and build its model. AlcoholsConstruct models of the following alcohols:MethanolEthanolPropanolButanolLook up the history and properties of these alcohols on the internet.How many isomers of each of these molecules can you construct? (Build models of all the isomers.Carboxylic AcidsConstruct models of the following acids:Formic acidAcetic acidPropionic acidWhat are the “official” names of each of these acids?What would sodium propionate look like? Sodium acetate? What are the differences and similarities between acetic acid and sodium acetate? Acetic acid is...well...an acid. Which of the hydrogen atoms is the acidic one?HydrocarbonsPropanePropenePropyneCyclopropaneExplainthe differences and similarities between alkanes, alkenes, alkynes and cyclic alkenes.How many isomers of butene can you make? Aromatic CompoundsBenzenePhenolBenzoic acidHow does the structure of benzene, as it is usually drawn, resemble your model of benzene, andhow does it differ from it?Cis-Trans IsomerismConstruct the following two compounds:cis-dichoro ethanetrans-dicholoro ethaneCan you think of, and construct, another isomer of these other two?Aldehydes and KetonesConstructAcetoneFormaldehydeLook up these compounds on the web and tell me something about themNitrogenConstruct and name an aliphatic amineConstruct and name an aliphatic amideConstruct the two amino acids:glycinealanineMore Complex MoleculesConstruct a dipeptide from alanine and glycineConstruct models ofD-glyceraldehyde and L-glyceraldehydeand thenD-Glucose and L-Glucosenoting the structural (as in stereochemical) similarities between the 3 carbon and 6 carbon carbohydratesReactionsConstruct a set of models which illustrate the following reactions:Alcohol + carboxylic acid ---> esteraldehyde + alcohol ----> hemiacetalhemiacetal + alcohol ----> acetalShow, using models, how the ring closure of glucose resemles the formation of an hemiacetalIf you still have time, make a model of a triglyceride, and a model of


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DYC CHE 114L - The Basics

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