Comparison of Three Isomers of Butanol Introduction An alcohol’s reactivity is determined based on the attachment of their hydroxyl functional group. The location of this hydroxyl functional group will impact the molecular structure of the alcohol‚ making it either primary (1° )‚ secondary (2° )‚ or tertiary (3° ). The purpose of this experiment is to observe and predict the reactions that take place between all three alcohols and an oxidizing agent‚ as well as to test our theories of how the
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1 Comparison of Three Isomers of Butanol Introduction: An alcohol’s reactivity is determined based on the attachment of their hydroxyl functional group. The location of this hydroxyl functional group will impact the molecular structure of the alcohol‚ making it either primary (1° )‚ secondary (2° )‚ or tertiary (3° ). If the OH is bonded to only one other carbon‚ it is a primary alcohol (eg. 1-butanol); if bonded to two other carbons‚ it is a secondary alcohol (eg. 2-butanol); if
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Comparison of Three Isomers of Butanol SCH 4UI Abstract The Hydroxyl group on alcohols relates to their reactivity. This concept was explored by answering the question “Does each alcohol undergo halogenation and controlled oxidation?” . Using three isomers of butanol; the primary 1-butanol‚ the secondary 2-butanol and the tertiary 2-methyl-2-propanol‚ also referred to as T-butanol‚ two experiments were performed to test the capabilities of the alcohols. When mixed with hydrochloric acid in
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LAB: Comparison of Reactions for Three Isomers of Butanol /23 TI /21 C /6 A Name: /50 MARKS Background: The reactivity of alcohols can be accounted for by their molecular structure – particularly by the attachment of their hydroxyl functional group. The isomers of butanol are used as examples of 1°‚2° and 3° alcohols to examine this relationship. Each of the three isomers of butanol will be mixed with concentrated hydrochloric acid. The presence of an alkyl halide product is
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Reactions of Three Isomers of Butanol September 24‚ 2013 Purpose: The purpose of this lab is to test the reactions of primary‚ secondary‚ and tertiary alcohols with acid and with an oxidizing agent. Materials: chemical safety goggles dropper bottles including: butan-1-ol butan-2-ol 2-methylpropan-2-ol potassium permanganate solution‚ KMnO₄(aq) (0.01 mol/L) concentrated hydrochloric acid‚ HCl(aq) (12 mol/L) eyedropper lab apron protective gloves test tube rack Procedure:
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Reactions of Three Isomers of Butanol Purpose: To test the reactions of primary‚ secondary‚ and tertiary alcohols with acid and with an oxidizing agent. Equipment and Materials: Chemical safety goggles Lab apron Protective gloves 3 test tubes Test-tube rack Eyedropper Dropper bottles containing the following Butan-1-ol Butan-2-ol 2-methylpropan-2-ol Potassium permanganate solution‚ KMnO4(aq) (0.01 mol/L) Concentrated hydrochloric acid‚ HCl(aq) (12 mol/L) *Alcohols are flammable and
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only) Procedure 1) Put on your safety goggles‚ apron‚ and protective gloves. 2) Put 3 test tubes in a test-tube rack. From the dropper bottles‚ place 2 drops of butan-1-ol in the first test tube‚ 2 drops of butan-2-ol in the second test tube‚ and 2 drops of 2-methylpropan-2-ol in the test tube. 3) Under the fume hood‚ your teacher will add 10 drops of concentrated hydrochloric acid to each of your 3 test tubes. Gently shake the mixtures very carefully. Return to your lab bench with the test-tube
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Lab: Comparison of Three Isomers of Butanol Pre-lab: 1. Write the general reaction of an alcohol and HCl. 2. What would the solubility be of an alcohol in water. 3. What would the solubility be of an alkyl halide in water? 4. What is the purpose of KMnO4 in the reactions? Safety: Concentrated hydrochloric acid is corrosive and the vapour is very irritating to the respiratory system. Avoid contact with skin‚ eyes‚ clothing‚ and the lab bench. Wear eye protection and a lab apron.
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Lab Protocol #8 - Dehydration of 3‚3-dimethyl-2-butanol KEYWORDS: alkenes‚ E2‚ E1‚ carbocation stability‚ elimination A. Introduction. The dehydration of alcohols is an ELIMINATION reaction that is commonly used to form alkene molecules. The mechanism for the dehydration of alcohols consists of transforming the –OH functional group into a better leaving group by using a strong acid to protonate the alcohol. After –OH has been transformed into –OH2+‚ it becomes easier to break the σ-bond between the
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finished‚ submit this assignment to your teacher by the due date for full credit. (7 points) Score 1. What is an isomer? How many possible isomers of heptane are there? What are the structural differences between these isomers? Answer: Isomers are compounds that have the same molecular formula but have a different atom arrangement‚ as well as different properties. Heptane has 9 possible isomers; all of them have different connectivity‚ different branching. Event though they share the same molecular formula
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