Homework Answers
Answer:
Option:
1.DMSO
3..DMF both are used in SN2 reaction mechanism as solvents.
Explanation:
To speed up the SN2 reaction we must add polar aprotic solvents.the best examples for polar aprotic solvents are DMSO and DMF.Both are having same physical and chemical properties .both are giving good results in SN2 reaction mechanism . but DMF is some what toxic so better to be used DMSO as a solvent in SN2 reaction.
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Which solvent(s) listed below would be satisfactory in SN2 reactions? o = H; HC H Н;С...
Which solvent(s) listed below would be satisfactory in Snl reactions? 0 o Н;С CH; DMSO H3C...
Which solvent(s) listed below would be satisfactory in Snl reactions? 0 o Н;С CH; DMSO H3C Н;С CH3CH2OH H DMF I II III a. I only b. II only c. III only d. I and II Oe. I and III f. II and III Og. All of the above What two products are expected in the following reaction? CH3 HBT H H BI CH CH; CH BI H Br I II III H Br Br H CH; CH IV V...
Which attacking species shown below would be the best choice to enforce an E2 pathway over...
Which attacking species shown below would be the best choice to enforce an E2 pathway over an SN2 pathway for the reaction below? Attacking Species? BI CH; H -¢-o CH,MgB HC-0-0 CH; (a) H (b) (c) NH OH (d) SH (1) e Which solvent(s) listed below would be satisfactory in Sn2 reactions? HzC CH DMSO CH3CH,OH o HzC. Н.С DMF I II III a. I only b. II only c. III only d. I and II e. I and III...
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway?...
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway? O a. Neutral nucleophile work just fine. b. The leaving group is typically the conjugate base of a strong acid. O c. The rate is not dependent upon the concentration of the nucleophile. d. The temperature is relatively "cooler" to reduce competing elimination products. e. The solvent is polar and aprotic. Of. The substrate has a leaving group that is typically on a 30,...
D. Question 7 Which of the molecules below are structural isomers? Н Н H-C-H н-с-н Hннн...
D. Question 7 Which of the molecules below are structural isomers? Н Н H-C-H н-с-н Hннн Hнн Hн н-с-с-с-с-н н-с-с-с-с-н н-с-с-с-н нннн нннн ннн || Н Н-С-н н H н-с-с-с-н ннн 1 1 1 1 III III IV I and II I and IV I, III, and IV I and III
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC...
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
Which of the following chiral compounds is(are) R enantiomer(s)? 1) I. II III но, CI. Н,с...
Which of the following chiral compounds is(are) R enantiomer(s)? 1) I. II III но, CI. Н,с CH CI OH н,с 2) You found an organic compound containing chiral carbon atom with the following four substituents: HC C-, CI-, O C- and H2C-CH-, What would be the correct order of their priorities? A) HC C-> O-C->CI-> H2C-CH B) Cl->HCC-> 0-C-> H2C-CH C) Cl-> O C-> HC C-> H2C-CH D) Cl-> O-C-> H2C-CH-> HC C E) O-C-> Cl-> HC C-> H2C-CH 3)...
Draw the products of the reactions. Include hydrogen atoms. Select Rings Draw More Co н HC—СH H CH +HO Нас—С HC-CH...
Draw the products of the reactions. Include hydrogen atoms. Select Rings Draw More Co н HC—СH H CH +HO Нас—С HC-CH CH Complete the given reactions. Add hydrogen atoms and charges to the appropriate atoms. Reaction A Select Draw Rings Erase More N Na H CH +NaOH heat H Draw all of the expected products from the reaction: Draw the appropriane number of hydrogens on oxygen and nitrogen ings Select Draw More trase CH ON (2 equiv.) NH
H3C Which alkene(s) shown below is an "E" stereoisomer? HC CH; ci Ci =C C=C H...
H3C Which alkene(s) shown below is an "E" stereoisomer? HC CH; ci Ci =C C=C H C1 H H II CH; CH; CH; III a. I only b. II only c. III only d. I and II e. I and III f. II and III g. All of the above h. None of the above
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе mos...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
Question 20. Which is the shortest bond in the following compound? H н-С—С—С—С- С—н LA HH...
Question 20. Which is the shortest bond in the following compound? H н-С—С—С—С- С—н LA HH H I III IV | A. В. C. D. IV I and IIl have the same length E.
Which solvent(s) listed below would be satisfactory in Snl reactions? 0 o Н;С CH; DMSO H3C Н;С CH3CH2OH H DMF I II III a. I only b. II only c. III only d. I and II Oe. I and III f. II and III Og. All of the above What two products are expected in the following reaction? CH3 HBT H H BI CH CH; CH BI H Br I II III H Br Br H CH; CH IV V...
Which attacking species shown below would be the best choice to enforce an E2 pathway over an SN2 pathway for the reaction below? Attacking Species? BI CH; H -¢-o CH,MgB HC-0-0 CH; (a) H (b) (c) NH OH (d) SH (1) e Which solvent(s) listed below would be satisfactory in Sn2 reactions? HzC CH DMSO CH3CH,OH o HzC. Н.С DMF I II III a. I only b. II only c. III only d. I and II e. I and III...
Which statement or set of conditions listed below is not consistent with an Syl reaction pathway? O a. Neutral nucleophile work just fine. b. The leaving group is typically the conjugate base of a strong acid. O c. The rate is not dependent upon the concentration of the nucleophile. d. The temperature is relatively "cooler" to reduce competing elimination products. e. The solvent is polar and aprotic. Of. The substrate has a leaving group that is typically on a 30,...
D. Question 7 Which of the molecules below are structural isomers? Н Н H-C-H н-с-н Hннн Hнн Hн н-с-с-с-с-н н-с-с-с-с-н н-с-с-с-н нннн нннн ннн || Н Н-С-н н H н-с-с-с-н ннн 1 1 1 1 III III IV I and II I and IV I, III, and IV I and III
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
Lindlar's catalyst H- HC H-C-cEc-CHs h) HgSo, HC-HC-c c-H it + Н,о H,SO amu O HyCHC-cc-CH +H.O Н С k) 1. КОН HyC HC-CC CH hot KMnO 2. HC H,C HC CEC CHy cold KMnO
Which of the following chiral compounds is(are) R enantiomer(s)? 1) I. II III но, CI. Н,с CH CI OH н,с 2) You found an organic compound containing chiral carbon atom with the following four substituents: HC C-, CI-, O C- and H2C-CH-, What would be the correct order of their priorities? A) HC C-> O-C->CI-> H2C-CH B) Cl->HCC-> 0-C-> H2C-CH C) Cl-> O C-> HC C-> H2C-CH D) Cl-> O-C-> H2C-CH-> HC C E) O-C-> Cl-> HC C-> H2C-CH 3)...
Draw the products of the reactions. Include hydrogen atoms. Select Rings Draw More Co н HC—СH H CH +HO Нас—С HC-CH CH Complete the given reactions. Add hydrogen atoms and charges to the appropriate atoms. Reaction A Select Draw Rings Erase More N Na H CH +NaOH heat H Draw all of the expected products from the reaction: Draw the appropriane number of hydrogens on oxygen and nitrogen ings Select Draw More trase CH ON (2 equiv.) NH
H3C Which alkene(s) shown below is an "E" stereoisomer? HC CH; ci Ci =C C=C H C1 H H II CH; CH; CH; III a. I only b. II only c. III only d. I and II e. I and III f. II and III g. All of the above h. None of the above
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
Question 20. Which is the shortest bond in the following compound? H н-С—С—С—С- С—н LA HH H I III IV | A. В. C. D. IV I and IIl have the same length E.
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