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4. This equilibrium reaction of bromo-pyridines with BuLi favours formation of the weaker base which can be treated...
2. Which of the following is the correct order of decreasing basicity (stronger base> weaker base)?...
2. Which of the following is the correct order of decreasing basicity (stronger base> weaker base)? A. NH,>MeNH2> H2O> MEOH B. CH,COONa> NaOH>NaOMe>NaNMe D. MeNH2>NH, > MeOH> CH 3. Which of the following terms describes the following reaction? + Br2 H2O OH A. substitution B.addition C. elimination D. rearrangements 4. According to the Hammond Postulate transition states for A. endothermic reactions more closely resemble the reagents. B. endothermic reactions more closely resemble the products. C. exothermic reactions more closely resemble...
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...
1) trans-4- 3) Can you easily make 1-bromopentane as the only product from the reaction of...
1) trans-4- 3) Can you easily make 1-bromopentane as the only product from the reaction of HBr and why? (Explain!) (10 pts.) fane as the only product from the reaction of 1-pentene with (HINT: You may want to draw out a chemical reaction or two.....) Can 1-chlorobutane be easily produced from the reaction of 1-butene with HCl and why? (Explain! (10 pts.) (HINT: You may want to draw out a chemical reaction or two...) 5) We are there multiple organic...
3.2 Periodic trends 1. (0620-5 2012-Paper 1/2-Q21) Which properties of the element titanium, Ti, can be...
3.2 Periodic trends 1. (0620-5 2012-Paper 1/2-Q21) Which properties of the element titanium, Ti, can be predicted from its position in the Periodic Table? forms coloured compounds conducts electricity when solid can be used has low density as a catalyst X A X X Xx 2. (0620-W 2012-Paper 1/1-Q20) The diagram shows an outline of the Periodic Table. U V W X Y Which of the elements U, V, W, X and Y would react together in the ratio of...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...
Working on the questions at the end of this lab report (see above). I need help answering questio...
Working on the questions at the end of this lab report
(see above). I need help answering questions 2, 3, and 4 completely
and thoroughly. Thank you!
s, until the I hexano 1 clean disti CYCLOHEXENE from CYCLOHEXANOL be dehydrated with solfuric acid to yield cyclohexene and waterf Add a 0°C (record ct and cal H,SO + H20 ainer. s in purification of any crude product are (a) the preliminary separation of the product from the reaction mixture by distillation...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
2. Which of the following is the correct order of decreasing basicity (stronger base> weaker base)? A. NH,>MeNH2> H2O> MEOH B. CH,COONa> NaOH>NaOMe>NaNMe D. MeNH2>NH, > MeOH> CH 3. Which of the following terms describes the following reaction? + Br2 H2O OH A. substitution B.addition C. elimination D. rearrangements 4. According to the Hammond Postulate transition states for A. endothermic reactions more closely resemble the reagents. B. endothermic reactions more closely resemble the products. C. exothermic reactions more closely resemble...
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...
1) trans-4- 3) Can you easily make 1-bromopentane as the only product from the reaction of HBr and why? (Explain!) (10 pts.) fane as the only product from the reaction of 1-pentene with (HINT: You may want to draw out a chemical reaction or two.....) Can 1-chlorobutane be easily produced from the reaction of 1-butene with HCl and why? (Explain! (10 pts.) (HINT: You may want to draw out a chemical reaction or two...) 5) We are there multiple organic...
3.2 Periodic trends 1. (0620-5 2012-Paper 1/2-Q21) Which properties of the element titanium, Ti, can be predicted from its position in the Periodic Table? forms coloured compounds conducts electricity when solid can be used has low density as a catalyst X A X X Xx 2. (0620-W 2012-Paper 1/1-Q20) The diagram shows an outline of the Periodic Table. U V W X Y Which of the elements U, V, W, X and Y would react together in the ratio of...
250 ChemActivity 29 Electrophilic Aromatic Substitution no ChemActivity 29 Part A: Electrophilic Aromatic Substitution (What products are formed when a strong electrophile is added to benzene?) Model 1: (review) Electrophilic Addition of HCI Rani o g cyclohexene carbocation intermediate Run 2 U X benzene This product carbocation intermediate DOES NOT Critical Thinking Questions 1 For Rxn I (above) draw curved arrows showing the mechanism of electrophilic addition of HCl. Include an appropriate carbocation intermediate in the box above. Figure 1:...
Working on the questions at the end of this lab report
(see above). I need help answering questions 2, 3, and 4 completely
and thoroughly. Thank you!
s, until the I hexano 1 clean disti CYCLOHEXENE from CYCLOHEXANOL be dehydrated with solfuric acid to yield cyclohexene and waterf Add a 0°C (record ct and cal H,SO + H20 ainer. s in purification of any crude product are (a) the preliminary separation of the product from the reaction mixture by distillation...
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