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Additional Questions: 15. (a) An alcohol (pka = 15) is reacted with NaNH, (pka = 36)....
9.1 Alcohols Worksheet Prior Knowledge: ✓ Acid/base definitions and pka values. ✓ Nucleophile/electrophile definitions and roles....
9.1 Alcohols Worksheet Prior Knowledge: ✓ Acid/base definitions and pka values. ✓ Nucleophile/electrophile definitions and roles. ✓ Substitution and elimination reactions and mechanisms using curved arrows. Leaving group ability. Learning Objectives After completing this activity students should be able to: ✓ Predict the role of an alcohol in the Williamson Ether Synthesis and Fisher Esterification. Determine that protonation of an alcohol affords stronger electrophiles because of better, more stabilized, leaving groups. Conversion of Alcohols to Electrophiles Protonation RCH,OH + H...
OH H+ CH3 H3C OH Esters can be synthesized by an acid-catalyzed nucleophilic acyl substitution between...
OH H+ CH3 H3C OH Esters can be synthesized by an acid-catalyzed nucleophilic acyl substitution between an alcohol and a carboxylic acid; this process is called the Fischer esterification reaction. Because the alcohol oxygen is a poor nucleophile, the carbonyl carbon is made a better electrophile by protonation of the carbonyl oxygen. The steps of the synthesis are all reversible. The reaction is generally driven to completion by using an excess of the liquid alcohol as a solvent, or by...
1. Alcohol [1] is added to an aqueous solution of sulfuric acid, H,SO4. The solution was...
1. Alcohol [1] is added to an aqueous solution of sulfuric acid, H,SO4. The solution was then heated. The product was purified to determine its structure. It was found that the product was alkene [2]. Draw the mechanism of the reaction. Show all steps with curved arrows that are necessary to form the product alkene [2]. OH H 0H H heat [2] [1] Consider the following reaction. A. Draw the mechanism of the reaction to predict ALL constitutional products. Show...
8) Draw a mechanism with all the proper arrows for the reaction from this experiment. Introduction...
8) Draw a mechanism with all the proper arrows for the reaction
from this experiment.
Introduction Alkyl halides can be prepared from alcohols by reactions with hydrogen halides (HCI, HBr, or HI) via nucleophilic substitution. In this type of reaction, the nucleophile displaces a leaving group from a carbon atom of an organic substrate (here the alcohol once protonated). Both electrons of the new bond to the carbon are provided by the nucleophile while the leaving group departs with both...
3(b). Define an Arrhenius Acid vs An Arrhenius Base? Give examples in cach case? (c) Define...
3(b). Define an Arrhenius Acid vs An Arrhenius Base? Give examples in cach case? (c) Define a Brownstead -Lorry Acid vs A base. Give Examples 4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base. (a) H2SO4(aq) + H2O(1) - HSO4 (aq) + H30+(aq) (b) HCO3(aq) + H20(I) = H,CO3(aq) + OH(aq) 5. Using examples, distinguish between a Nucleophile vs Electrophile. Give at least 2 differences...
need help with the boxed bullet point. writing the chemical reaction scheme for the experiment. Synthesis of an A...
need help with the boxed bullet point. writing the chemical
reaction scheme for the experiment.
Synthesis of an Alkyl Halide: A Nucleophilic Substitution Reaction, Part I Pre-lab Assignment for Synthesis of an Alkyl Halide: A Nucleophilic Substitution Reaction, Part 1 1. From The Organic Chem Lab Survival Manual ( edition) by Zubrick • Review pages 201-204: Standard Reflux. • Review pages 127-140: Extraction • Review pages 164-189: Distillation, Simple Distillation. The Distillation Example, and The Distillation Mistake. 2. Read this...
4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry...
4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base. (a) H2SO4(aq) + H2O(l) —— HSO4 (aq) + H30+(aq) (b) HCO3(aq) + H20(1) = H,CO3(aq) + OH(aq) 5. Using examples, distinguish between a Nucleophile vs Electrophile. Give at least 2 differences between the 2 concepts 6. What are curved arrows or "curly arrows" in Organic Chemistry? What do they represent? Give an example (b) Using Ammonia...
pls and ty, (re-upload) alkene reactivity and its effects on stereo Reactivity In this module, we...
pls and ty, (re-upload)
alkene reactivity and its effects on stereo Reactivity In this module, we will look at alkene reactivity reacts with HBr, two products are formed, C and D. stereochemistry. When dode A CHE H-Br OCH, A OCH, Intermediate B OCH OCH C Question 1. (1 point) Draw the arrow pushing mechanism reactants are drawn below - just fill in the arrows. In electrophile (E) leaving group for the synthesis of C. The intermediates and each step. Identity...
Help with these! ( H 7. Acyl Substitution Practice. Show the first couple of mechanistic steps...
Help with these!
( H 7. Acyl Substitution Practice. Show the first couple of mechanistic steps in a Fischer Esterification. Show the final product h︿cu2 wheu . (3) (a) show first intermediate using H+ 해 ..0-CH2CH3 (b) show intermediate after electrophile & nucleophile bond (c) draw final product (More steps) a. Identify (circle and label). (4) the nucleophilic atom, electrophilic atom, and leaving group in the reaction below 0 b. Why is the reaction above expected to go faster than...
please explain the work 1. Consider the S2 reaction between thioacetate anion and lodoethane in DMSO...
please explain the work
1. Consider the S2 reaction between thioacetate anion and lodoethane in DMSO at 25 °C. Holyo . moto elettrodom a. Which molecule (or ion) is serving as the nucleophile in this reaction? b. Which molecule (or ion) is serving as the electrophile in this reaction? c. Which molecule (or ion) is serving as the leaving group in this reaction? d. What is the rate law for this reaction? e. Draw curved arrows on the reactants to...
9.1 Alcohols Worksheet Prior Knowledge: ✓ Acid/base definitions and pka values. ✓ Nucleophile/electrophile definitions and roles. ✓ Substitution and elimination reactions and mechanisms using curved arrows. Leaving group ability. Learning Objectives After completing this activity students should be able to: ✓ Predict the role of an alcohol in the Williamson Ether Synthesis and Fisher Esterification. Determine that protonation of an alcohol affords stronger electrophiles because of better, more stabilized, leaving groups. Conversion of Alcohols to Electrophiles Protonation RCH,OH + H...
OH H+ CH3 H3C OH Esters can be synthesized by an acid-catalyzed nucleophilic acyl substitution between an alcohol and a carboxylic acid; this process is called the Fischer esterification reaction. Because the alcohol oxygen is a poor nucleophile, the carbonyl carbon is made a better electrophile by protonation of the carbonyl oxygen. The steps of the synthesis are all reversible. The reaction is generally driven to completion by using an excess of the liquid alcohol as a solvent, or by...
1. Alcohol [1] is added to an aqueous solution of sulfuric acid, H,SO4. The solution was then heated. The product was purified to determine its structure. It was found that the product was alkene [2]. Draw the mechanism of the reaction. Show all steps with curved arrows that are necessary to form the product alkene [2]. OH H 0H H heat [2] [1] Consider the following reaction. A. Draw the mechanism of the reaction to predict ALL constitutional products. Show...
8) Draw a mechanism with all the proper arrows for the reaction
from this experiment.
Introduction Alkyl halides can be prepared from alcohols by reactions with hydrogen halides (HCI, HBr, or HI) via nucleophilic substitution. In this type of reaction, the nucleophile displaces a leaving group from a carbon atom of an organic substrate (here the alcohol once protonated). Both electrons of the new bond to the carbon are provided by the nucleophile while the leaving group departs with both...
3(b). Define an Arrhenius Acid vs An Arrhenius Base? Give examples in cach case? (c) Define a Brownstead -Lorry Acid vs A base. Give Examples 4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base. (a) H2SO4(aq) + H2O(1) - HSO4 (aq) + H30+(aq) (b) HCO3(aq) + H20(I) = H,CO3(aq) + OH(aq) 5. Using examples, distinguish between a Nucleophile vs Electrophile. Give at least 2 differences...
need help with the boxed bullet point. writing the chemical
reaction scheme for the experiment.
Synthesis of an Alkyl Halide: A Nucleophilic Substitution Reaction, Part I Pre-lab Assignment for Synthesis of an Alkyl Halide: A Nucleophilic Substitution Reaction, Part 1 1. From The Organic Chem Lab Survival Manual ( edition) by Zubrick • Review pages 201-204: Standard Reflux. • Review pages 127-140: Extraction • Review pages 164-189: Distillation, Simple Distillation. The Distillation Example, and The Distillation Mistake. 2. Read this...
4. Explain things in the following question(s) In each reaction, identify the Brønsted-Lowry acid, the Brønsted-Lowry base, the conjugate acid, and the conjugate base. (a) H2SO4(aq) + H2O(l) —— HSO4 (aq) + H30+(aq) (b) HCO3(aq) + H20(1) = H,CO3(aq) + OH(aq) 5. Using examples, distinguish between a Nucleophile vs Electrophile. Give at least 2 differences between the 2 concepts 6. What are curved arrows or "curly arrows" in Organic Chemistry? What do they represent? Give an example (b) Using Ammonia...
pls and ty, (re-upload)
alkene reactivity and its effects on stereo Reactivity In this module, we will look at alkene reactivity reacts with HBr, two products are formed, C and D. stereochemistry. When dode A CHE H-Br OCH, A OCH, Intermediate B OCH OCH C Question 1. (1 point) Draw the arrow pushing mechanism reactants are drawn below - just fill in the arrows. In electrophile (E) leaving group for the synthesis of C. The intermediates and each step. Identity...
Help with these!
( H 7. Acyl Substitution Practice. Show the first couple of mechanistic steps in a Fischer Esterification. Show the final product h︿cu2 wheu . (3) (a) show first intermediate using H+ 해 ..0-CH2CH3 (b) show intermediate after electrophile & nucleophile bond (c) draw final product (More steps) a. Identify (circle and label). (4) the nucleophilic atom, electrophilic atom, and leaving group in the reaction below 0 b. Why is the reaction above expected to go faster than...
please explain the work
1. Consider the S2 reaction between thioacetate anion and lodoethane in DMSO at 25 °C. Holyo . moto elettrodom a. Which molecule (or ion) is serving as the nucleophile in this reaction? b. Which molecule (or ion) is serving as the electrophile in this reaction? c. Which molecule (or ion) is serving as the leaving group in this reaction? d. What is the rate law for this reaction? e. Draw curved arrows on the reactants to...
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