Acetic Acid Synthesis Lab Report

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Acetic Acid Synthesis Lab Report



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Synthesis of Aspirin Lab

For instance, alcohol will produce a large and broad signal at a frequency of cm Amines will produce medium and broad signals at a frequency of cm Carbonyl groups will produce a large and sharp signal and a frequency of cm A carbon-carbon triple bond will produce a small signal at a frequency of cm-1, and a carbon-nitrogen triple bond will produce a medium signal at a frequency of cm Also, in this experiment a process of distillation was used where the banana oil was separated from the crude ester mixture.

Distillation usually works because organic compounds have boiling points which are different from each other. Usually a mixture of two compounds is placed in a round bottom flask. Heat is then applied to the mixture in the round bottom flask and as a result, the compound present in the mixture with the lower boiling point vaporizes first. The vapor is then condensed in a condenser because the condenser has cool water to cool the vapor. The condensed vapor then travels into another flask at the other end of the distillation apparatus.

The first step involved hydrogen being added to the oxygen on the carbonyl group of the Acetic acid. The second step involved a pair of electrons from the oxygen in the Isopentyl Alcohol attacking the carbon double bonded to the oxygen on the Acetic acid. Then the newly formed structure would have three alcohol groups present. The third step involved removing the hydrogen from the positively charged oxygen in this newly formed structure. The fourth step involved the addition of hydrogen to this newly formed structure. The hydrogen would form a positively charged H20 group.

The pair of electrons connecting the carbon to the charged H20 group would attack the oxygen on the charged H20 group forming water. The water could then be used in the final step to deprotonate the hydrogen connected to the oxygen with a positive charge resulting in the formation of Isopentyl Acetate. Procedure First, a reflux apparatus was set up with a round bottom flask at the bottom. Second, 5ml of Isopentyl alcohol, 7ml of glacial acetic acid, and 1 ml of sulfuric acid were added to the round bottom flask and mixed. Third, the round bottom flask was then attached to the reflux apparatus, and turned on for minutes. Fourth, the mixture from the round bottom flask was poured into a separatory funnel.

Fifth, 10 ml of water was added to the separatory funnel and the funnel was shaken. The water layer was then discarded with the mixture from the round bottom flask was retained in the flask. Seventh, 5ml of aqueous sodium chloride was added to the separatory funnel and the funnel was shaken. The aqueous sodium chloride layer was then discarded with the mixture from the round bottom flask staying in the flask. Finally, the crude ester solution was distilled using a distillation apparatus. The distillate was then obtained, its mass was taken, and an IR was done on it. According to the IR spectra received for the sample of Isopentyl Acetate, there were three main signals present.

The first of the three signals was present at a wavenumber of 2, A signal at this wavenumber indicates that there are hydrogen-carbon bonds present in this sample of Isopentyl Acetate. According to the structural formula of Isopentyl Acetate, carbon-hydrogen bonds are indeed present in its structure. The second of the three signals was present at a wavenumber of 1, A signal at this wavenumber indicates that there is an ester group present in this sample of Isopentyl Acetate. According to the structural formula of Isopentyl Acetate, a carbonyl group is present in its structure. The final of the three signals was present at a wavenumber of 1, A signal at this wavenumber indicates that there is a carbon-oxygen group present in this sample of Isopentyl Acetate.

According to the structural formula of Isopentyl Acetate, a carbon-oxygen group is indeed present in its structure. There was one unexpected signal present in the sample at a wavenumber of 3, The presence of this wavenumber indicated that an alcohol group was present in the Isopentyl Acetate sample. However, there was no alcohol group present in the structural formula of Isopentyl Acetate. Therefore, the result of this alcohol signal probably came from the hexane which was being used to allow the IR machine to read a sample of Isopentyl Acetate. Since ferrocene is highly reactive due to its two cyclopentadienyl rings , AlCl3 can be replaced with a more benign catalyst, phosphoric acid.

This reaction will also use acetic anhydride in place of an alkyl halide. Figure 2 shows the mechanism for this. The result is racemization. For an example the reaction of tert-butyl chloride with water. The SN2. Abstract In this laboratory, methanol is reacted with a tertiary alkyl chloride to make ether. The triphenylmethyl is isolated from the triphenylmethyl chloride. Methanol is then added and the class does the recrystallization. The methanol acts as a solvent for the reaction as a nucleophile.

Because it is a tertiary benzylic halide, the reaction is considered an SN1 type. Since alkenes are immiscible with concentrated HBr, tetrabutylammonium bromide is used as a phase-transfer catalyst. It forms a complex with HBr and extracts it from the aqueous phase into the organic phase where the alkene is. This dehydrates the acid, making it more reactive so that the addition reaction is possible. Rapid stirring is required in order to maximize the surface area. As we know acid reacts with bubbles when combined with sodium bicarbonate. Write the chemical equation for the reaction in well A6. The Wittig reaction is valuable reaction.

One purpose of a Wittig reaction is the formation of alkenes from aldehydes or ketones employing a carbo-phosphorous ylide, which is stabilized vie resonance to allow for the carbon bonded to phosphorus to be deprotonate from by a base Ketcha, Other disaccharides are broken down by other carbohydrase enzymes. Carbohydrates starch are broken down in the oral cavity by saliva amylose.

They are made up of 3 elements, carbon C , hydrogen H and oxygen O and can be found together in three different forms. Either as a monosaccharide, disaccharide or a polysaccharide they are differentiated by the number of rings in their chemical compound. There chemical formation is C6,H12,O6 and due to their bond angles between the carbons, tend to form a pentose of hexoses, stable ring structure. The structure of benzocaine included an aromatic ring and amine group.

The reaction to synthesize benzocaine was known as a Fisher esterification reaction. The Fisher esterification was reaction between alcohol and carboxylic acid in the presence of acid. The reaction was used to form an ester. In the experiment, sulfuric acid acted as a catalyst and necessary for this reaction to occur. This reaction was able to happen during designated lab time due to the fact that a phenol was used. Phenols or more reactive than unsubstitued benzene rings due to the presence of the alcohol on the benzene ring. As aforementioned, there are various products formed in this reaction the two major products formed though are the ortho and para products. It is debatable which product is more prominent due to steric reasons and the capability of each product to conduct in hydrogen bonding.

The reaction the occurred in the experiment was a reaction between acetic acid and isopentyl alcohol to form isopentyl acetate and water. The esterification of acetic acid with isopentyl alcohol occurs in four steps.

The Isopentyl Acetate carbonyl Pros And Cons Of The Columbus Day was evaluated to be around The four solvents used to test the solubility of the Ray Bradburys Embroidery were meaning of teamwork, ethanoldichloromethane Trifles And A Dolls House Analysis hexanes. Out Porfirio Diaz: The Victimization Of Mexico the 1. Read More. Next, obtain a Summary: The Exploitation Of Indigenous People tube.