Homework Answers
Explanation of
question(6):
Hydroxides ion attack from the back side of carbon atom and Br is more electronegativity so electron withdraw after heterolysis of C--Br bond.
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6. Which correctly depicts the displacement of bromide by hydroxide? a) HỐ Br CH2 6) HỘ...
19. Which correctly depicts the displacement of bromide by hydroxide? a. HO + "Br-CH3 b. HO...
19. Which correctly depicts the displacement of bromide by hydroxide? a. HO + "Br-CH3 b. HO + çuş-Br C. HO- + CH3-Br d. HO + CH3-Br
16. Which of the following is correct regarding Sy2 reactions of alkyl halides? A. Secondary halides...
16. Which of the following is correct regarding Sy2 reactions of alkyl halides? A. Secondary halides react faster than primary halides. B. Rate of reaction depends on the concentrations of the alkyl halide only. C. Favored in polar aprotic solvents D. Results in a racemic mixture
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...
Consider the SN2 reaction of butyl bromide with hydroxide ion , Assuming no other changes, what...
Consider the SN2 reaction of butyl bromide with hydroxide ion , Assuming no other changes, what effect on the reaction rate would result from simultaneously doubling the concentrations of both butyl bromide and hydroxyl ion No effect (B)It would double the rate (C)it would increase the rate six times (D) It would increase the rate four times. 2. Which alky halide would you expect to undergo SN1 hydrolysis most rapidly? (A) (CH3)3C-I (B) (CH3)3C-Br (C) (CH3)3C-Cl (D) (CH3)3C-F 3....
I need help on all of these please 1. Draw the energy diagram that correctly depicts...
I need help on all of these please
1. Draw the energy diagram that correctly depicts the following reaction (AG<0) and the transition state for the rate determining step. Label substrate (S), product (P), and intermediate (1) if applicable. OTS + NaBr TsONa polar aprotic solvent transition state free energy reaction progress 2. Complete the following reaction schemes. CH3OH 0°C alkyl halide nucleophile ТА polar aprotic solvent 3. Compound A and B are constitutional isomers with molecular formula C5H11Br. When...
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%...
can someone show me how to do the work and explain it to me 12. Which...
can someone show me how to do the work and explain it to me
12. Which of the following does not correctly describe Sn2 reactions of alkyl halides? Tertiary halides react faster than secondary halides. Rate of reaction depends on the concentrations of both the alkyl halide and the nucleophile. The mechanism consists of a single step with no intermediates. The transition state species has a pentavalent carbon atom.
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
please answer for me all questions 1-20 1) Identify the alkyl halide that reacts the fastest...
please answer for me all questions 1-20
1) Identify the alkyl halide that reacts the fastest in a Sn2 reaction. A) chloromethane B) 2-chloro-2-methylpropane C) 2-chlorobutane D) 1-chlorobutane 2) Identify the alkyl halide that reacts the fastest in an SN 2 reaction. A) 1-bromopropane B) 1-fluoropropane C) 1-chloropropane D) 1-iodopropane 3) Which of the following alkyl halides gives the slowest SN2 reaction? A) CH3CH2C1 B) Ci CH3CCH2CH3 CH3 C) CH3CHCH2CH3 CH2 CH3CHCHCH3 C1 СН3 4) Which of the following alkyl...
1) State which of the electrophiles given below will react preferentially by i) SN1, ii) by...
1) State which of the electrophiles given below will react
preferentially by i) SN1, ii) by SN2, or iii) capable of reacting
by either of the two mechanisms depending on the given conditions.
How can you affect those conditions to favour SN1 or SN2? Reason
your predictions based on the structures of the compounds. Br-CH3,
Br-CH2CH3, Br-CH(CH3)2, Br-C(CH3)3, Br-CH2-C5H6; C5H6 = phenyl
Introduction Alkyl halides can be prepared from alcohols by reactions with hydrogen halides (HCI, HBr, or HI) via...
19. Which correctly depicts the displacement of bromide by hydroxide? a. HO + "Br-CH3 b. HO + çuş-Br C. HO- + CH3-Br d. HO + CH3-Br
16. Which of the following is correct regarding Sy2 reactions of alkyl halides? A. Secondary halides react faster than primary halides. B. Rate of reaction depends on the concentrations of the alkyl halide only. C. Favored in polar aprotic solvents D. Results in a racemic mixture
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...
I need help on all of these please
1. Draw the energy diagram that correctly depicts the following reaction (AG<0) and the transition state for the rate determining step. Label substrate (S), product (P), and intermediate (1) if applicable. OTS + NaBr TsONa polar aprotic solvent transition state free energy reaction progress 2. Complete the following reaction schemes. CH3OH 0°C alkyl halide nucleophile ТА polar aprotic solvent 3. Compound A and B are constitutional isomers with molecular formula C5H11Br. When...
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%...
can someone show me how to do the work and explain it to me
12. Which of the following does not correctly describe Sn2 reactions of alkyl halides? Tertiary halides react faster than secondary halides. Rate of reaction depends on the concentrations of both the alkyl halide and the nucleophile. The mechanism consists of a single step with no intermediates. The transition state species has a pentavalent carbon atom.
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
please answer for me all questions 1-20
1) Identify the alkyl halide that reacts the fastest in a Sn2 reaction. A) chloromethane B) 2-chloro-2-methylpropane C) 2-chlorobutane D) 1-chlorobutane 2) Identify the alkyl halide that reacts the fastest in an SN 2 reaction. A) 1-bromopropane B) 1-fluoropropane C) 1-chloropropane D) 1-iodopropane 3) Which of the following alkyl halides gives the slowest SN2 reaction? A) CH3CH2C1 B) Ci CH3CCH2CH3 CH3 C) CH3CHCH2CH3 CH2 CH3CHCHCH3 C1 СН3 4) Which of the following alkyl...
1) State which of the electrophiles given below will react
preferentially by i) SN1, ii) by SN2, or iii) capable of reacting
by either of the two mechanisms depending on the given conditions.
How can you affect those conditions to favour SN1 or SN2? Reason
your predictions based on the structures of the compounds. Br-CH3,
Br-CH2CH3, Br-CH(CH3)2, Br-C(CH3)3, Br-CH2-C5H6; C5H6 = phenyl
Introduction Alkyl halides can be prepared from alcohols by reactions with hydrogen halides (HCI, HBr, or HI) via...
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