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4. Sort the following compounds by chemical reaction rate. (12) (1) SN1 reaction (consider the stability...
1. (a) In the first step of an SN1 reaction, the carbon-leaving group bond breaks and...
1. (a) In the first step of an SN1 reaction, the carbon-leaving group bond breaks and a carbocation forms. In the second step, the carbocation undergoes a nucleophilic attack. The rate limiting step in an SN1 reaction is: The nucleophilic attack. The formation of the product. The formation of the carbocation. Submit Answer Tries 0/1 (b) In an SN2 reaction, the nucleophile attacks while the leaving group leaves in a concerted mechanism. The rate limiting step in an SN2 reaction...
Consider the SN2 reaction shown below and answer the following questions. Consider the SN1 reaction shown...
Consider the SN2 reaction shown below and answer the
following questions.
Consider the SN1 reaction shown below and answer the following
questions.
1. Consider the SN2 reaction shown below and answer the following questions. acetone Br NaSCH3 SCH3 NaBr + A. Write the rate law for the reaction B. Identify the nucleophile and the electrophile in the reaction C. State how each of the following factors would affect the rate of the reaction a. Increasing the concentration of 1-bromopropane. b....
QUESTION 8 CH,-Br Br Rank these of compounds in order of the stability of the carbocation...
QUESTION 8 CH,-Br Br Rank these of compounds in order of the stability of the carbocation that forms (1 -most stable, 4 - least stable) Structure A Structure B: Structure C Structure D:
For letters h & i : For each of the following reactions, predict the major mechanistic pathway (SN1/SN2/E1/E2...
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
4. Sn1 reactions are unimolecular and Sn2 reactions are bimolecular. What does this mean? Write the...
4. Sn1 reactions are unimolecular and Sn2 reactions are bimolecular. What does this mean? Write the generic rate laws for Sn1 and Sn2 reactions. Which reagents do the rates of Sn1 and Sn2 reactions depend on? 5. Consider tert-butylchloride and 2-chloropropane. Which of these compounds is more likely to react via an Sn1 mechanism? Which is more likely to reactive via an Sn2 mechanism? Explain your answer. 6. Rank the following compounds in order of increasing likelihood of undergoing substitution...
6. (12 pts) Answer the following questions regardin a. What is the significance of the 'S',...
6. (12 pts) Answer the following questions regardin a. What is the significance of the 'S', 'N he following questions regarding the SN2 reaction. ince of the 'S', 'N', and '2' in the name of the SN2 reaction? (2 pts) b. Give the rate law for the S2 reaction. (2 pts) based on the rate law, how would reducing reaction volume from 20 mL to 10 mL affect the rate of an SN2 reaction? (2 pts) (circle one) no effect...
3. Consider the following molecules and rank them in terms of effectiveness (or stability) of carbocation...
3. Consider the following molecules and rank them in terms of effectiveness (or stability) of carbocation formation in the Snl reaction. (1 = best; 4= worst). (2 pts) Br CH3CH2 Br CH,Br 4. Complete the following reaction and show a complete reaction mechanism for the transformation listed below - you must show movement of electrons very clearly. (3 pts) HCI Xo Ha.
For the following substitution reactions, choose whether reaction A or B will proceed more quickly. If...
For the following substitution reactions, choose whether reaction A or B will proceed more quickly. If they will proceed at the same rate, put an equal sign,"=", in the box. Reaction Pair Faster? SN1 or SN2? A: CH3Br + CH30-→ CH3OCH3 + Br- B: CH3Br + CH3OH → CH3OCH3 + Br- + H+ Cl + NH3 NH + Cl + H+ B: Ya + Ho — you +C+++11+ OH + Cl + H+ I + NH3 NH2 +I+H+ SN2 ci...
The stability and the reactivity of compounds is often assessed by conducting the same chemical reaction...
The stability and the reactivity of compounds is often assessed by conducting the same chemical reaction on similar compounds and then comparing the thermodynamic data obtained. The reaction that generates the most heat and is therefore the most favorable reaction is the one that began with the most reactive, highest energy, unstable starting material. The reaction that generates the least heat and is therefore the most unfavorable reaction is the one that began with the least reactive, lowest energy, stable...
For the chemical reaction answer the following questions: 1. Is the mechanism Sn1 or Sn2? 2....
For the chemical reaction answer the following questions:
1. Is the mechanism Sn1 or Sn2?
2. What kind of substrate reacts in the following reaction? (2 °
, 2 ° allylic , 3 ° )
3. Is the role of the alkyl halide reactant an acid, base,
electrophile, nucleophile , or both a nucleophile and base?
4. Is the role of the reagent KI an acid, base, electrophile,
nucleophile , or both a nucleophile and base?
5. What is the...
1. (a) In the first step of an SN1 reaction, the carbon-leaving group bond breaks and a carbocation forms. In the second step, the carbocation undergoes a nucleophilic attack. The rate limiting step in an SN1 reaction is: The nucleophilic attack. The formation of the product. The formation of the carbocation. Submit Answer Tries 0/1 (b) In an SN2 reaction, the nucleophile attacks while the leaving group leaves in a concerted mechanism. The rate limiting step in an SN2 reaction...
Consider the SN2 reaction shown below and answer the
following questions.
Consider the SN1 reaction shown below and answer the following
questions.
1. Consider the SN2 reaction shown below and answer the following questions. acetone Br NaSCH3 SCH3 NaBr + A. Write the rate law for the reaction B. Identify the nucleophile and the electrophile in the reaction C. State how each of the following factors would affect the rate of the reaction a. Increasing the concentration of 1-bromopropane. b....
QUESTION 8 CH,-Br Br Rank these of compounds in order of the stability of the carbocation that forms (1 -most stable, 4 - least stable) Structure A Structure B: Structure C Structure D:
For
letters h & i :
For each of the following reactions, predict the major
mechanistic pathway (SN1/SN2/E1/E2) and the major organic
products
1. (cont.) (h) НСОН CHB -CHBr HCOH - (0) CH,CH,CH,CH,Br- NH 2. For each of the following indicate which reaction will occur faster. Explain your reasoning. (No credit will be given for guesses) (a) The reaction of (CH),CBr with 0.001M aqueous NaOH or 0.10M aqueous NaOH (b) The reaction of 2-bromobutane with NaOH in DMSO or NaSH...
4. Sn1 reactions are unimolecular and Sn2 reactions are bimolecular. What does this mean? Write the generic rate laws for Sn1 and Sn2 reactions. Which reagents do the rates of Sn1 and Sn2 reactions depend on? 5. Consider tert-butylchloride and 2-chloropropane. Which of these compounds is more likely to react via an Sn1 mechanism? Which is more likely to reactive via an Sn2 mechanism? Explain your answer. 6. Rank the following compounds in order of increasing likelihood of undergoing substitution...
6. (12 pts) Answer the following questions regardin a. What is the significance of the 'S', 'N he following questions regarding the SN2 reaction. ince of the 'S', 'N', and '2' in the name of the SN2 reaction? (2 pts) b. Give the rate law for the S2 reaction. (2 pts) based on the rate law, how would reducing reaction volume from 20 mL to 10 mL affect the rate of an SN2 reaction? (2 pts) (circle one) no effect...
3. Consider the following molecules and rank them in terms of effectiveness (or stability) of carbocation formation in the Snl reaction. (1 = best; 4= worst). (2 pts) Br CH3CH2 Br CH,Br 4. Complete the following reaction and show a complete reaction mechanism for the transformation listed below - you must show movement of electrons very clearly. (3 pts) HCI Xo Ha.
For the following substitution reactions, choose whether reaction A or B will proceed more quickly. If they will proceed at the same rate, put an equal sign,"=", in the box. Reaction Pair Faster? SN1 or SN2? A: CH3Br + CH30-→ CH3OCH3 + Br- B: CH3Br + CH3OH → CH3OCH3 + Br- + H+ Cl + NH3 NH + Cl + H+ B: Ya + Ho — you +C+++11+ OH + Cl + H+ I + NH3 NH2 +I+H+ SN2 ci...
The stability and the reactivity of compounds is often assessed by conducting the same chemical reaction on similar compounds and then comparing the thermodynamic data obtained. The reaction that generates the most heat and is therefore the most favorable reaction is the one that began with the most reactive, highest energy, unstable starting material. The reaction that generates the least heat and is therefore the most unfavorable reaction is the one that began with the least reactive, lowest energy, stable...
For the chemical reaction answer the following questions:
1. Is the mechanism Sn1 or Sn2?
2. What kind of substrate reacts in the following reaction? (2 °
, 2 ° allylic , 3 ° )
3. Is the role of the alkyl halide reactant an acid, base,
electrophile, nucleophile , or both a nucleophile and base?
4. Is the role of the reagent KI an acid, base, electrophile,
nucleophile , or both a nucleophile and base?
5. What is the...
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