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7&8 please 7. True or False: Iodide is the best nucleophile in polar protic and polar aprotic solvents. 8. S...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than an S2 reaction. B. An Sw2 reaction is not stereospecific C. Good alkyl halide substrates for an E1 reaction are also good for an E2 reaction. D. Increasing the alkyl halide concentration enhances the reaction rate of an Sw1 reaction but not that of an E2 reaction. 18. For the following reaction, what happens to the reaction rate if the concentration of NaN, is...
Q1) Which compound will undergo SN1 reaction fastest? CI Cl Q2) What is true about SN1...
Q1) Which compound will undergo SN1 reaction fastest? CI Cl Q2) What is true about SN1 reaction of alkyl halides? a) Reaction favored by non-polar solvents. b) Reaction rate depends on concentration of alkyl halide c) SN1 proceeds in one step thru transition state d) Reaction rate depends on concentration of nucleophile
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...
A. What is the best procedure to prepare isopropyl methyl ether (CH)CHOCH? a. isopropyl iodide and...
A. What is the best procedure to prepare isopropyl methyl ether (CH)CHOCH? a. isopropyl iodide and NaOCH, b. isopropyl iodide and methanol c. methyl iodide and KOCH(CH) d. methyl iodide and (CH).CHOH B. Which alkyl halide would be most reactive in an S2 reaction? сн, a. (CHC-CHCI b d. B. What is the order of increasing reactivity for the following nucleophiles (least first)? Cно Н.О CH CO CHS Which is not a polar aprotic solvent? C. ь. снCN с. снон...
questions 7. Why are polar protic solvents preferred for Syl reactions? A. Solvent ionizability B. Hydrogen...
questions 7. Why are polar protic solvents preferred for Syl reactions? A. Solvent ionizability B. Hydrogen bonding C.Heat Capacity D.Both A and B E.Both B and C ene chloride)? 8. Why is triflate (A) a better leaving group then tosylate (B) OSICF В A A. Atomic Size B. Resonance C. Hybridization D.Polarizability E. Inductive Effects E 9. Which compound is the stronger Base? A. Lithium Hydroxide B. Sodium Acetate C. Triethyl amine D. Potassium tert-butoxide E. Water 10. What is...
Hi, could you please give an explanation to? thanks! What solvent would be best to carry...
Hi, could you please give an explanation to? thanks!
What solvent would be best to carry out the substitution of the benzyl iodide shown below and why? H2N solvent at 70 °C 1.0 equivalents Methanol, because this reaction performs best with a polar protic solvent to solvate charged intermediates. DMSO, because this reaction performs best with a polar aprotic solvent which will dissolve the nucleophile without hydrogen bonding. O Hexanes, because this reaction performs best with a nonpolar solvent to...
Chem 233 Exam III (A) October 28, 2019 Page 7 14. Which of the following would...
Chem 233 Exam III (A) October 28, 2019 Page 7 14. Which of the following would an of the following would be the best base for performing the following elimination? A KOCHA B. KOCH(CH) C. KOC(CH.) D. this reaction is not an elimination reaction 15. Which of the following statements is (are) true of Sul reactions of alkyl halides in general? A) The rate of an SNI reaction depends on the concentration of the alkyl halide. B) The rate of...
7. Which of the following statements is TRUE? A) SN2 reactions occur with the same rate regardless of the structure...
7. Which of the following statements is TRUE? A) SN2 reactions occur with the same rate regardless of the structure of alkyl halide or substrate B) S2 reactions are concerted with no intermediate C) S 2 reactions proceed with the same rate regardless of the nucleophile used D) S2 reactions are best performed in polar protic solvents E) In an S 2 reaction, loss of the leaving group to give a carbocation is the rate-limiting step 8. Consider the following...
3. Circle the reaction below which is faster in polar protic solvents. OH, ,0 A. CH,CH,CH,Br — CH,CH,CH,OH + Br or...
3. Circle the reaction below which is faster in polar protic solvents. OH, ,0 A. CH,CH,CH,Br — CH,CH,CH,OH + Br or CH,CH,CH,SH + Br B. CH CH.CH.BESH,RSH 4. Doubling the concentration of hydroxide in the reaction in problem #3A: A: causes the reaction mechanism to change. B: halves the rate of reaction. C: has no effect on the rate of reaction. D: doubles the rate of reaction. 5. Circle the reaction below which is faster. 70% H2O A. (CH3)3C-C 30%...
I need help with 1-4 please Question 1: Find a table that compares the relative reaction...
I need help with 1-4 please
Question 1: Find a table that compares the relative reaction rates (Su2) for alkyi fluorides, chlorides, bromides and iodides (Section 9.2 in the textbook). Which halide is the best leaving group? How much faster is it than the slowest halide leaving group? Question 2: The nature of the solvent plays a big role in determining the type of substitution or elimination mechanism that takes place (SH1, SN2, E1 or E2). Draw structures for 2...
17. Which of the following statements is true? A. An Sw1 reaction always proceeds faster than an S2 reaction. B. An Sw2 reaction is not stereospecific C. Good alkyl halide substrates for an E1 reaction are also good for an E2 reaction. D. Increasing the alkyl halide concentration enhances the reaction rate of an Sw1 reaction but not that of an E2 reaction. 18. For the following reaction, what happens to the reaction rate if the concentration of NaN, is...
Q1) Which compound will undergo SN1 reaction fastest? CI Cl Q2) What is true about SN1 reaction of alkyl halides? a) Reaction favored by non-polar solvents. b) Reaction rate depends on concentration of alkyl halide c) SN1 proceeds in one step thru transition state d) Reaction rate depends on concentration of nucleophile
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...
A. What is the best procedure to prepare isopropyl methyl ether (CH)CHOCH? a. isopropyl iodide and NaOCH, b. isopropyl iodide and methanol c. methyl iodide and KOCH(CH) d. methyl iodide and (CH).CHOH B. Which alkyl halide would be most reactive in an S2 reaction? сн, a. (CHC-CHCI b d. B. What is the order of increasing reactivity for the following nucleophiles (least first)? Cно Н.О CH CO CHS Which is not a polar aprotic solvent? C. ь. снCN с. снон...
questions 7. Why are polar protic solvents preferred for Syl reactions? A. Solvent ionizability B. Hydrogen bonding C.Heat Capacity D.Both A and B E.Both B and C ene chloride)? 8. Why is triflate (A) a better leaving group then tosylate (B) OSICF В A A. Atomic Size B. Resonance C. Hybridization D.Polarizability E. Inductive Effects E 9. Which compound is the stronger Base? A. Lithium Hydroxide B. Sodium Acetate C. Triethyl amine D. Potassium tert-butoxide E. Water 10. What is...
Hi, could you please give an explanation to? thanks!
What solvent would be best to carry out the substitution of the benzyl iodide shown below and why? H2N solvent at 70 °C 1.0 equivalents Methanol, because this reaction performs best with a polar protic solvent to solvate charged intermediates. DMSO, because this reaction performs best with a polar aprotic solvent which will dissolve the nucleophile without hydrogen bonding. O Hexanes, because this reaction performs best with a nonpolar solvent to...
Chem 233 Exam III (A) October 28, 2019 Page 7 14. Which of the following would an of the following would be the best base for performing the following elimination? A KOCHA B. KOCH(CH) C. KOC(CH.) D. this reaction is not an elimination reaction 15. Which of the following statements is (are) true of Sul reactions of alkyl halides in general? A) The rate of an SNI reaction depends on the concentration of the alkyl halide. B) The rate of...
7. Which of the following statements is TRUE? A) SN2 reactions occur with the same rate regardless of the structure of alkyl halide or substrate B) S2 reactions are concerted with no intermediate C) S 2 reactions proceed with the same rate regardless of the nucleophile used D) S2 reactions are best performed in polar protic solvents E) In an S 2 reaction, loss of the leaving group to give a carbocation is the rate-limiting step 8. Consider the following...
3. Circle the reaction below which is faster in polar protic solvents. OH, ,0 A. CH,CH,CH,Br — CH,CH,CH,OH + Br or CH,CH,CH,SH + Br B. CH CH.CH.BESH,RSH 4. Doubling the concentration of hydroxide in the reaction in problem #3A: A: causes the reaction mechanism to change. B: halves the rate of reaction. C: has no effect on the rate of reaction. D: doubles the rate of reaction. 5. Circle the reaction below which is faster. 70% H2O A. (CH3)3C-C 30%...
I need help with 1-4 please
Question 1: Find a table that compares the relative reaction rates (Su2) for alkyi fluorides, chlorides, bromides and iodides (Section 9.2 in the textbook). Which halide is the best leaving group? How much faster is it than the slowest halide leaving group? Question 2: The nature of the solvent plays a big role in determining the type of substitution or elimination mechanism that takes place (SH1, SN2, E1 or E2). Draw structures for 2...
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