Homework Answers
30] Remember that SN1 and SN2 reactions only occur for alkyl halides (and related compounds like tosylates and mesylates). If the leaving group is directly attached to an alkene or alkyne, SN1 or SN2 will not occur!
So in 3rd one SN1 reaction doesnt occur at all
In 1st one SN1 rection takes place slowly
31] 3rd one as mentioned in the above answer
32] 3rd one where Br- is better leaving grop than Cl- but primary halide is slow reactive than cyclo one where secondary carbocation forms
33] 2nd one since tertiatry carbocation is more stable
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Which of the following alkyl halides will undergo the low it so reaction? Rank the following...
15 Which of the following alkyl halides is most reactive in an SN2 reaction with Lil?...
15 Which of the following alkyl halides is most reactive in an SN2 reaction with Lil? H2 Br H,c Br CHs HyC a) I b) II c) III d) All three have equal reactivities
hich of the following statements about the reactions of alkyme A) The characteristic reactions of alkyl...
hich of the following statements about the reactions of alkyme A) The characteristic reactions of alkyl halides are addition and elimination B) The characteristic reactions of alkyl halides are addition and substitution C) The characteristic reactions of alkyl halides are elimination and substitution D) The characteristic reactions of alkyl halides are oxidation and reduction. 2. The reaction of 1-bromobutane with sodium hydroxide affords the substitution product 1-butanol. What would happen to the rate of the reaction if the concentration of...
11. Which of the following alkyl halides will undergo the fastest SN2 reaction? < <===- ய
11. Which of the following alkyl halides will undergo the fastest SN2 reaction? < <===- ய
6. Which of the following alkyl halides would afford the indicated product upon reaction with sodium...
6. Which of the following alkyl halides would afford the indicated product upon reaction with sodium ethoxide? Khat K A. B. II C. III D. IV 7. Predict the product of the following reaction: H2Cro4 (excess) de bygge ! A.1 B. II C. III D. IV E. V 8. Predict the product for the following reaction: HOOH NH H,O* 38 5 5 AT B. 11 C. III D. IV 9. Predict the product for the following reaction: CH,CH,OH (excess) H2SO4...
1. Rank the alkyl halides in each group in order of increasing E2 reactivity. a. Br...
1. Rank the alkyl halides in each group in order of increasing E2 reactivity. a. Br Br Br I П III b. Cн, Br Нас CI CH3 П III Rank the alkyl halides in each group of problem one in order of increasing El reactivity. 2. Which elimination reaction in each pair is faster? (I or II) 3. а. сн, Нас. Он Он II. b. HO DMSO он (CH),CCI (CH),CCI П. I. Н.о What alkenes are formed from each alkyl...
check the multuple choice I filled out and help with the ones i left blank please!!...
check the multuple choice I filled out and help with the ones
i left blank please!!
Problem Set Seven (15 points) Chapter 7 and the beginning of 8 Due: Mon, Mar 16 at the beginning of class Multiple Choice Section (0.5 pt each) 1. Which of the compounds below contains a socechy (1) alkyl halide? R-X Primary 3. Which of the following alkyl halides will undergo the fastest Sl reaction with ethanol (HOCH.CH.)? IV a) -Bromo-1-methylcyclopentane (b) 1-Bromobutane (c) Cyclohexyl...
3) Identify the first mechanistic step in the reaction shown below. H2O OH Lilia ci H-Ö: H-02 4) Rank the following fro...
3) Identify the first mechanistic step in the reaction shown below. H2O OH Lilia ci H-Ö: H-02 4) Rank the following from least reactive to most reactive towards nucleophilic acyl substitution. NH2 ОСН3 III IV a) II <I< IV < III b)I<IV < II < III c) III <IV <I<II d) I< II <IV < III
9. Which of the following alkyl halides is most rea order kinetics? y halides is most...
9. Which of the following alkyl halides is most rea order kinetics? y halides is most reactive in an elimination reaction having first- A. A B.B C.C D.D E. E 10. Which of the following statements is (are) true about an E2 elimination reaction? A. It is fastest with 3 halides. B. It exhibits second-order kinetics. C. A better leaving group should make a faster reaction. D. Both (It is fastest with 3 halides) and (It exhibits second order kinetics)...
Which of the following alkyl halides would be the least reactive substrate in a Williamson ether...
Which of the following alkyl halides would be the least reactive
substrate in a Williamson ether synthesis (reaction with NaOEt ;
sodium
alkoxides to form ethers)?
Which of the following alkyl halides would be the least reactive substrate in a Williamson ether synthesis (reaction with NaOEt ; sodium alkoxides to form ethers)? C) CH3CH(CH3)CH3 B) CH3CHCHZ A) CH3CH Br Br D) CHCHCHCHC D) CH3CH2CHCH2CH3 E) CHCI Hai
5. Rank the reactivity of the following alkyl halides (A-E) for an SN2 reaction from the...
5. Rank the reactivity of the following alkyl halides (A-E) for an SN2 reaction from the fastest (1) to the slowest (5) and explain your ranking. (10 pts) H3C-Br Br Ci
15 Which of the following alkyl halides is most reactive in an SN2 reaction with Lil? H2 Br H,c Br CHs HyC a) I b) II c) III d) All three have equal reactivities
hich of the following statements about the reactions of alkyme A) The characteristic reactions of alkyl halides are addition and elimination B) The characteristic reactions of alkyl halides are addition and substitution C) The characteristic reactions of alkyl halides are elimination and substitution D) The characteristic reactions of alkyl halides are oxidation and reduction. 2. The reaction of 1-bromobutane with sodium hydroxide affords the substitution product 1-butanol. What would happen to the rate of the reaction if the concentration of...
11. Which of the following alkyl halides will undergo the fastest SN2 reaction? < <===- ய
6. Which of the following alkyl halides would afford the indicated product upon reaction with sodium ethoxide? Khat K A. B. II C. III D. IV 7. Predict the product of the following reaction: H2Cro4 (excess) de bygge ! A.1 B. II C. III D. IV E. V 8. Predict the product for the following reaction: HOOH NH H,O* 38 5 5 AT B. 11 C. III D. IV 9. Predict the product for the following reaction: CH,CH,OH (excess) H2SO4...
1. Rank the alkyl halides in each group in order of increasing E2 reactivity. a. Br Br Br I П III b. Cн, Br Нас CI CH3 П III Rank the alkyl halides in each group of problem one in order of increasing El reactivity. 2. Which elimination reaction in each pair is faster? (I or II) 3. а. сн, Нас. Он Он II. b. HO DMSO он (CH),CCI (CH),CCI П. I. Н.о What alkenes are formed from each alkyl...
check the multuple choice I filled out and help with the ones
i left blank please!!
Problem Set Seven (15 points) Chapter 7 and the beginning of 8 Due: Mon, Mar 16 at the beginning of class Multiple Choice Section (0.5 pt each) 1. Which of the compounds below contains a socechy (1) alkyl halide? R-X Primary 3. Which of the following alkyl halides will undergo the fastest Sl reaction with ethanol (HOCH.CH.)? IV a) -Bromo-1-methylcyclopentane (b) 1-Bromobutane (c) Cyclohexyl...
3) Identify the first mechanistic step in the reaction shown below. H2O OH Lilia ci H-Ö: H-02 4) Rank the following from least reactive to most reactive towards nucleophilic acyl substitution. NH2 ОСН3 III IV a) II <I< IV < III b)I<IV < II < III c) III <IV <I<II d) I< II <IV < III
9. Which of the following alkyl halides is most rea order kinetics? y halides is most reactive in an elimination reaction having first- A. A B.B C.C D.D E. E 10. Which of the following statements is (are) true about an E2 elimination reaction? A. It is fastest with 3 halides. B. It exhibits second-order kinetics. C. A better leaving group should make a faster reaction. D. Both (It is fastest with 3 halides) and (It exhibits second order kinetics)...
Which of the following alkyl halides would be the least reactive
substrate in a Williamson ether synthesis (reaction with NaOEt ;
sodium
alkoxides to form ethers)?
Which of the following alkyl halides would be the least reactive substrate in a Williamson ether synthesis (reaction with NaOEt ; sodium alkoxides to form ethers)? C) CH3CH(CH3)CH3 B) CH3CHCHZ A) CH3CH Br Br D) CHCHCHCHC D) CH3CH2CHCH2CH3 E) CHCI Hai
5. Rank the reactivity of the following alkyl halides (A-E) for an SN2 reaction from the fastest (1) to the slowest (5) and explain your ranking. (10 pts) H3C-Br Br Ci
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