Which complications do you expect if the alcohol used in the reaction was 2-methyl-2-pentanol instead of isopentyl alcohol? This is for a Fischer esterification reaction. (synthesis of isopentyl acetate
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Which complications do you expect if the alcohol used in the reaction was 2-methyl-2-pentanol instead of isopentyl alcohol?
This is for a Fischer esterification reaction. (synthesis of isopentyl acetate)
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- 3. Draw the systematic reaction mechanism for between the reaction of isoamyl alcohol and acetic acid. What are the products? What is the functional group of the major product? Does it have a scent? If so, what is the scent smells like?4. Charlie and Daniel wanted to make a drink containing 6.9% ethanol in the laboratory. However, there are three unlabelled reagent bottles that may contain these chemicals: ethanol, cyclohexane, and water. Devise a systematic flow chart to identify the ethanol and water in these three unlabelled reagent bottles.Assuming that the mixture in the reagent bottle containing ethanol are water and ethanol, what is the volume of the ethanol in the 132g of solution?5. Andrea and Yvette are going to cook the most delicious food that ever going to exist for their tired classmates that conducted the experiment in an organic chemistry laboratory. However, the stores are closed and they don’t have a table salt for the seasoning of their special dish so they need to…What is the concentration of ethyl acetate at equilibrium if the reaction is carried out with 100 times more ethanol than acetic acid?1. Which compound is expected to have a higher melting point, 1-pentanol or 1-pentanal? Explain 2. Which compound is expected to be more soluble in water, propanal or butanal? Explain. 3. Why is acetyl chloride more reactive towards hydrolysis than ethyl acetate?
- What type of chemical intermediate plays an important role in causing primary, secondary, and tertiary alcohols to react at different rates in the Lucas test? Explain how this chemical intermediate controls the rates of reaction of the different alcohols.1-pentanol + NaBr/H2SO4 -> 1-bromopentane Is this substitution reaction reversible? In other words, would one expect to obtain an equilibrium mixture of the alcohol and bromoalkene at the end of the reaction of would one expect this reaction to go to completion? Justify your answer?What charge of hydrogen is in the inorganic acid? What structure will characterize the intermediate in this reaction mechanism after the leaving group is removed? What is the major product in the reaction mechanism?
- The conversion of alcohols into alkyl halides by reaction with hydrogen halides is an example of a Nucleophilic Substitution Reaction. This kind of reaction can proceed by two different mechanisms depending on the structure of alcohol substrates used. Generally, primary alcohols are substituted via SN2 mechanism, while secondary and tertiary alcohols undergo SN1 mechanism. Consider the following reaction given in the picture below and the questions in the picture too.1A. Explain why solvents such as anhydrous diethyl ether or anhydrous tetrahydrofuran (THF) are not reactive with Grignard reagents. 1B. Draw the first step of the reaction mechanism when the Grignard reagent attacks benzophenone before the alkoxide is protonated to form the alcohol. In the mechanism, identify the partially positive and partially negative atoms in the reactants. Explain why these atoms have a partial charge. 1C. Write the mechanism for the reaction of phenyl magnesium bromide with 1) water and 2) acetone.How do you think the amount of catalyst affects the amount of product present when the reaction of acid-catalysed esterification of octanoic acid with 1-propanol (Fischer esterification).reaches equilibrium? (I.e. What happens to the amount of product if you add more catalyst (acid)?) Briefly explain your answer
- Acid (phosphiruc acid) is catalyzing this dehydration reaction(cyclphexanol to cyclohexene). What does that mean? How many equivalents of acid were needed for the reaction to proceed?Dehydration of alcohols is the reverse reaction of the hydration of an alkene. Typical reaction conditions include heating the alcohol in the presence of a strong acid, which will produce an alkene product. In this tutorial we will explore 1. the dehydration of secondary and tertiary alcohols 2. when mixture of products are expected and how to determine the major product 3. when rearrangements are expected and how to determine the major product 4. the dehydration of primary alcohols Secondary alcohols can also undergo elimination using the E1 mechanism. Since tertiary carbocations are more stable than secondary carbocations, you will need to watch out for the possibility of carbocation rearrangements. If a more stable carbocation can be formed by a hydride or alkyl shift, this will occur before the beta hydrogen abstraction to give the alkene. + Draw the carbocation rearrangement product of the secondary carbocation shown.In snythesizing diethyl ether from ethanol using concentrated sulfuric acid, increasing the reaction temperature to 180 ºC will produce less of the desired ether. true or false