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Consider the following reaction. NO2 + FeBr3 Brz Circle the nucleophile. b. Put an asterisk (*)...
Brz Ph OH X Br ) + OH 6. Consider the reaction: H2O a) Circle the...
Brz Ph OH X Br ) + OH 6. Consider the reaction: H2O a) Circle the major product. b) In the box provided draw the full mechanism (showing structure of intermediates and using curved arrows to indicate electron flow) to form the major product. Answer the questions regarding regio- and stereo- selectivity. (14 pts)
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following Si2 reaction. Be sure to i...
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following Si2 reaction. Be sure to indicate the appropriate stereochemistry. acetone N3 (2 pts) Would the reaction above be faster or slower if each of the following substrates were used instead of trans-1-iodo-4-methylcyclohexane? 5. a. iodoethane FASTER SLOWER b. trans-1-chloro-4-methylcyclohexane FASTER SLOWER
2. Consider the Sw1 reaction between 2-bromo-2-methylpropane and methanol at 50 °C. НАС Br H2CH3 Сн,он...
2. Consider the Sw1 reaction between 2-bromo-2-methylpropane and methanol at 50 °C. НАС Br H2CH3 Сн,он 50 °C н, с осна HCCHE 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 the structure of the intermediate that is...
21) Which of the following is not a nucleophile? A) Br B) FeBr3 C) NH3 D)...
21) Which of the following is not a nucleophile? A) Br B) FeBr3 C) NH3 D) - E) CH3OCH3 22) An unknown compound, C9H12, gave the following NMR spectrum: Triplet at 1.21 ppm (3H) Singlet at 2.30 ppm (3H) Quartet at 2.60 ppm (2H) Singlet at 7.04 ppm (4H) What is the structure of the compound? A CH,CH,CH, v. CHA CH; CH2CH3 СН3 V. CH CH3 CH CHCH3 СН3 CH3 A) 1 B) II C) III D) IV E) V
1. Consider the three molecules below to answer the following questions. Circle TRUE or FALSE at...
1. Consider the three molecules below to answer the following questions. Circle TRUE or FALSE at the end of each question (0.5 points each). Molecule A Molecule C Molecule B A. The rate of EAS with Molecule B will be faster than the rate of EAS with Molecule A (assume MAJOR product formation). TRUE or FALSE B. Molecule C will undergo nitration to yield a meta-product that is the MAJOR product. TRUE or FALSE c. The rate of meta-product formation...
12. Which is the major product of the reaction shown? (a) (b) (c) (d) 13. What...
12. Which is the major product of the reaction shown? (a) (b)
(c) (d) 13. What are all of the possible products formed in the
following reaction? (choose all correct answers) (a) (b) (c) (d)
(e) (f) 14. The three compounds below can form a carbocation in the
presence of H2O and H2SO4. Which ones will form the same
carbocation? (a) I and II (b) I and III (c) II and III (d) all
three will form the same carbocation...
1. For each of the following provide the structure of the final product(s) expected and state...
1. For each of the following provide the structure of the final product(s) expected and state whether the reaction would proceed faster or slower versus benzene standard. Explain your reasoning. (15) HO-NO HO-SO-OH Bra FeBry C. CHÚCH,CH, , AICI, Choose one of the reactions above and provide a complete mechanism leading to your product. If more than one product is expected, the mechanism leading to only one of the products is sufficient. Use all pertinent resonance structures. (10) 2. Below...
6. Consider the equation: 2NO2(g) → N2(g) +202() What effect will the following changes have on the reaction rate (...
6. Consider the equation: 2NO2(g) → N2(g) +202() What effect will the following changes have on the reaction rate (increase or decrease)? a) The temperature is decreased from 800 K to 300 K? b) A catalyst is added c) The concentration of NO2 gas is doubled. True or False A reaction with larger Eact will proceed faster Raising the temperature of a reaction increases the rate of a reaction Catalysts increase the rate of a reaction by increasing the number...
Consider the following S and your reaction to protect the effect of the changes given below...
Consider the following S and your reaction to protect the
effect of the changes given below on the rate of the reaction
clearly state Whether it would react faster or slower or will be
unaffected give a brief explanation why in each case
19. (9 pts.) Consider the following SN2 reaction to predict the effect of the changes given below on the rate of the reaction. (Clearly state whether it would react faster, slower or will be unaffected.) Give a...
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...
Brz Ph OH X Br ) + OH 6. Consider the reaction: H2O a) Circle the major product. b) In the box provided draw the full mechanism (showing structure of intermediates and using curved arrows to indicate electron flow) to form the major product. Answer the questions regarding regio- and stereo- selectivity. (14 pts)
4. (4 pts) Label the nucleophile and electrophile and draw the products of the following Si2 reaction. Be sure to indicate the appropriate stereochemistry. acetone N3 (2 pts) Would the reaction above be faster or slower if each of the following substrates were used instead of trans-1-iodo-4-methylcyclohexane? 5. a. iodoethane FASTER SLOWER b. trans-1-chloro-4-methylcyclohexane FASTER SLOWER
2. Consider the Sw1 reaction between 2-bromo-2-methylpropane and methanol at 50 °C. НАС Br H2CH3 Сн,он 50 °C н, с осна HCCHE 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 the structure of the intermediate that is...
21) Which of the following is not a nucleophile? A) Br B) FeBr3 C) NH3 D) - E) CH3OCH3 22) An unknown compound, C9H12, gave the following NMR spectrum: Triplet at 1.21 ppm (3H) Singlet at 2.30 ppm (3H) Quartet at 2.60 ppm (2H) Singlet at 7.04 ppm (4H) What is the structure of the compound? A CH,CH,CH, v. CHA CH; CH2CH3 СН3 V. CH CH3 CH CHCH3 СН3 CH3 A) 1 B) II C) III D) IV E) V
1. Consider the three molecules below to answer the following questions. Circle TRUE or FALSE at the end of each question (0.5 points each). Molecule A Molecule C Molecule B A. The rate of EAS with Molecule B will be faster than the rate of EAS with Molecule A (assume MAJOR product formation). TRUE or FALSE B. Molecule C will undergo nitration to yield a meta-product that is the MAJOR product. TRUE or FALSE c. The rate of meta-product formation...
12. Which is the major product of the reaction shown? (a) (b)
(c) (d) 13. What are all of the possible products formed in the
following reaction? (choose all correct answers) (a) (b) (c) (d)
(e) (f) 14. The three compounds below can form a carbocation in the
presence of H2O and H2SO4. Which ones will form the same
carbocation? (a) I and II (b) I and III (c) II and III (d) all
three will form the same carbocation...
1. For each of the following provide the structure of the final product(s) expected and state whether the reaction would proceed faster or slower versus benzene standard. Explain your reasoning. (15) HO-NO HO-SO-OH Bra FeBry C. CHÚCH,CH, , AICI, Choose one of the reactions above and provide a complete mechanism leading to your product. If more than one product is expected, the mechanism leading to only one of the products is sufficient. Use all pertinent resonance structures. (10) 2. Below...
6. Consider the equation: 2NO2(g) → N2(g) +202() What effect will the following changes have on the reaction rate (increase or decrease)? a) The temperature is decreased from 800 K to 300 K? b) A catalyst is added c) The concentration of NO2 gas is doubled. True or False A reaction with larger Eact will proceed faster Raising the temperature of a reaction increases the rate of a reaction Catalysts increase the rate of a reaction by increasing the number...
Consider the following S and your reaction to protect the
effect of the changes given below on the rate of the reaction
clearly state Whether it would react faster or slower or will be
unaffected give a brief explanation why in each case
19. (9 pts.) Consider the following SN2 reaction to predict the effect of the changes given below on the rate of the reaction. (Clearly state whether it would react faster, slower or will be unaffected.) Give a...
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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