Homework Answers
1. Ans: More methyl groups.
2. Ans: fewer hydrogen atoms (no of signals = adjacent hydrogen atoms + 1).
3. Ans: more hydrogen atoms.
4. Ans: fewer signals.
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Focusing on methyl group 4, we observe a range of variations in the spectroscopic data. Match...
Can anyone help with the explanation of this ? Select one or more correct statements for 4-chloro-3- methylpentanoic ac...
Can anyone help with the explanation of this ?
Select one or more correct statements for 4-chloro-3- methylpentanoic acid. Select one or more: the parent name is 3-methylpentanoic acid it belongs to the carboxylic acid functional group because of the ending -oic acid it contains a total of 6 carbon atoms it has four chloro groups and three methyl groups "3" indicates the location of the parent functional group
Please use the spectroscopic data for butyl acetate to answer the following questions. 1. The molecularion...
Please use the spectroscopic data for butyl acetate to answer the following questions. 1. The molecularion of butyl acetate is unstable, and does not show in the mass spectrum. - The base peak in the mass spectrum is an ion with m/z = 43, which corresponds to an ion with an atomic composition of C2H30+: lonization i n lonization in CH0- C2H30* butyl acetate a positively charged radical m/z=43 gmentation (Loss of a butoxy radical) Draw a structure for this...
Lucy propere (d) isopentane and 2-methylbutane 3. Which one of the following hexanes has the lowest...
Lucy propere (d) isopentane and 2-methylbutane 3. Which one of the following hexanes has the lowest boiling point? (a) 3-methylpentane (b) 2-methylpentane (c) hexane (d) 2,2-dimethylbutane 4. A CH3 In the lowest energy conformation of the compound to the right, how many alkyl substituents are axial? (a) 0 (c) 2 (b) 1 (d) 3 (CH),CHWV CH.CH 5. Identify the correct IUPAC name for the structure shown below. (a) 1-tert-butyl-2-chloro-5-bromocyclooctane (b) 5-bromo-1-tert-butyl-2-chlorocyclooctane (c) 1-bromo-4-chloro-5-tert-butylcyclooctane (d) 1-bromo-4-tert-butyl-5-chlorocyclooctane (e) 1-tert-butyl-4-bromo-7-chlorocyclooctane 6. Which of...
Problem 7.7 Determine the configuration of each of the following as Zor E as appropriate: LOH...
Problem 7.7 Determine the configuration of each of the following as Zor E as appropriate: LOH Y OH (a) (b) (c) (d) Sample Solution (a) One of the doubly bonded carbons bears a methyl group and a hydrogen. According to the Cahn-Ingold-Prelog sequence rules, methyl outranks hydrogen. The other carbon atom of the double bond bears a methyl and a —CH OH group. The-CH2OH group is of higher priority than methyl. Higher (C) — Hzc CH2OH - Higher C(O,H,H) Lower...
8. A perspective drawing of 1-chloro-2-isopropyl-4-methylcyclohexane is shown below. Place the alkyl groups on structure A,...
8. A perspective drawing of 1-chloro-2-isopropyl-4-methylcyclohexane is shown below. Place the alkyl groups on structure A, then perform a ring flip and draw the resulting conformer. (8 points) CI RH Vichael & cu +2 147 Name: Which isomer (A or B) would have the lower heat of combustion (i.e. is more stable)? Briefly explain your answer. A, because there is less guache interaction, 9. What is the maximum number of stereoisomers for the following compound? Does it have that number...
Use the following to answer the questions below: In each of the following multiple-choice questions, characterize...
Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true false status of the statements using the choices. a) All three statements are true. b) Two of the three statements are true. c) Only one of the statements is true. d) None of the statements are true. Statements: (1) In the IUPAC nomenclature system, an aldehyde group...
Alkyl Shifts: 1. Construct a reaction diagram including 2,3-dimethylbutan-2,3-diol and H2SO, as the reactants. Include all...
Alkyl Shifts: 1. Construct a reaction diagram including 2,3-dimethylbutan-2,3-diol and H2SO, as the reactants. Include all lone pairs of electrons. 2. Identify the nucleophile and the electrophile in the drawing above. 3. Draw a double headed arrow beginning at the nucleophilic lone pair of electrons on one of the oxygen atoms of 2,3-dimethylbutan-2,3-diol and ending on the electrophilic hydrogen of H2SO4. Make sure to push the electrons in the bond between the H and HSO. onto the HSO4 so that...
26) Name the following compound. CH3 H2C=CH-CH2CHCH: A) 1,1-dimethyl-3-butane B) 4-methyl-1-pentene C) hexene D) 2-methyl-4-pentene E)...
26) Name the following compound. CH3 H2C=CH-CH2CHCH: A) 1,1-dimethyl-3-butane B) 4-methyl-1-pentene C) hexene D) 2-methyl-4-pentene E) 2-methylpentene 27) Name the following compound. CI A) 2,3,5-trichlorobenzene B) trichlorostyrene C) 1,3,4-trichlorobenzene D) 1,3,4-trichlorohexene E) 1,2,4-trichlorobenzene 28) Identify the formula for an alkene. A) CnH2n+4 B) CnH2n+2 C) CnH2n D) CnH2n-4 E) CnH2n-2 29) Name the following compound. A) 1,4-bromocyclohexene B) 1,4-dibromobenzene C) 3,6-dibromobenzene D) 2,5-dibromobenzene E) 2,5-dibromocyclohexene 30) Name the following compound. CECH CH,CH,CHCH A) 2-ethynebutane B) 3-methyl-1-pentyne C) 3-methyl-4-pentyne D) 3-ethyl-1-butyne...
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as...
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as axial or equatorial 10. Draw the most stable chair conformation of the following molecules, and estimate the amount of strain in each: (a) trans-1-Chloro-3-methylcyclohexane (b) cis-1-Ethyl-2-methylcyclohexane (c) cis-1-Bromo-4-ethylcyclohexane (d) cis-1-tert-Butylcyclohexane 11. Which isomer is more stable, cis-decalin or trans-decalin? Explain. 12. Glucose exists in two forms having a 36:64 ratio at equilibrium. Draw a skeletal structure of each, describe the difference between them and...
Using the attached sheet, find where each element is located on this new periodic table. Period->...
Using the attached sheet, find where each element is located
on this new periodic table.
Period-> Moun is 16 HS hydrogen He 4.C02802 boron riges oxyge fuoring 1.00794 thlum beryllium F 18.0904 10 Ne 20.1797 12.0107 | 140057415994 Li Be 9012112 magnesium 18 6941 sodium 11 AI Р 30.97375 26.981536 Na Mg 22.99977 243050 potassium CI Ar 35.453 39.984 krypton 36 Kr 73.904 103.799 Ga edicium 20 Ca Ge As Se 7264 K 39.098340.078 LJ mo their proper position on...
Can anyone help with the explanation of this ?
Select one or more correct statements for 4-chloro-3- methylpentanoic acid. Select one or more: the parent name is 3-methylpentanoic acid it belongs to the carboxylic acid functional group because of the ending -oic acid it contains a total of 6 carbon atoms it has four chloro groups and three methyl groups "3" indicates the location of the parent functional group
Please use the spectroscopic data for butyl acetate to answer the following questions. 1. The molecularion of butyl acetate is unstable, and does not show in the mass spectrum. - The base peak in the mass spectrum is an ion with m/z = 43, which corresponds to an ion with an atomic composition of C2H30+: lonization i n lonization in CH0- C2H30* butyl acetate a positively charged radical m/z=43 gmentation (Loss of a butoxy radical) Draw a structure for this...
Lucy propere (d) isopentane and 2-methylbutane 3. Which one of the following hexanes has the lowest boiling point? (a) 3-methylpentane (b) 2-methylpentane (c) hexane (d) 2,2-dimethylbutane 4. A CH3 In the lowest energy conformation of the compound to the right, how many alkyl substituents are axial? (a) 0 (c) 2 (b) 1 (d) 3 (CH),CHWV CH.CH 5. Identify the correct IUPAC name for the structure shown below. (a) 1-tert-butyl-2-chloro-5-bromocyclooctane (b) 5-bromo-1-tert-butyl-2-chlorocyclooctane (c) 1-bromo-4-chloro-5-tert-butylcyclooctane (d) 1-bromo-4-tert-butyl-5-chlorocyclooctane (e) 1-tert-butyl-4-bromo-7-chlorocyclooctane 6. Which of...
Problem 7.7 Determine the configuration of each of the following as Zor E as appropriate: LOH Y OH (a) (b) (c) (d) Sample Solution (a) One of the doubly bonded carbons bears a methyl group and a hydrogen. According to the Cahn-Ingold-Prelog sequence rules, methyl outranks hydrogen. The other carbon atom of the double bond bears a methyl and a —CH OH group. The-CH2OH group is of higher priority than methyl. Higher (C) — Hzc CH2OH - Higher C(O,H,H) Lower...
8. A perspective drawing of 1-chloro-2-isopropyl-4-methylcyclohexane is shown below. Place the alkyl groups on structure A, then perform a ring flip and draw the resulting conformer. (8 points) CI RH Vichael & cu +2 147 Name: Which isomer (A or B) would have the lower heat of combustion (i.e. is more stable)? Briefly explain your answer. A, because there is less guache interaction, 9. What is the maximum number of stereoisomers for the following compound? Does it have that number...
Use the following to answer the questions below: In each of the following multiple-choice questions, characterize EACH of the three given statements as being TRUE or FALSE and then indicate the collective true false status of the statements using the choices. a) All three statements are true. b) Two of the three statements are true. c) Only one of the statements is true. d) None of the statements are true. Statements: (1) In the IUPAC nomenclature system, an aldehyde group...
Alkyl Shifts: 1. Construct a reaction diagram including 2,3-dimethylbutan-2,3-diol and H2SO, as the reactants. Include all lone pairs of electrons. 2. Identify the nucleophile and the electrophile in the drawing above. 3. Draw a double headed arrow beginning at the nucleophilic lone pair of electrons on one of the oxygen atoms of 2,3-dimethylbutan-2,3-diol and ending on the electrophilic hydrogen of H2SO4. Make sure to push the electrons in the bond between the H and HSO. onto the HSO4 so that...
26) Name the following compound. CH3 H2C=CH-CH2CHCH: A) 1,1-dimethyl-3-butane B) 4-methyl-1-pentene C) hexene D) 2-methyl-4-pentene E) 2-methylpentene 27) Name the following compound. CI A) 2,3,5-trichlorobenzene B) trichlorostyrene C) 1,3,4-trichlorobenzene D) 1,3,4-trichlorohexene E) 1,2,4-trichlorobenzene 28) Identify the formula for an alkene. A) CnH2n+4 B) CnH2n+2 C) CnH2n D) CnH2n-4 E) CnH2n-2 29) Name the following compound. A) 1,4-bromocyclohexene B) 1,4-dibromobenzene C) 3,6-dibromobenzene D) 2,5-dibromobenzene E) 2,5-dibromocyclohexene 30) Name the following compound. CECH CH,CH,CHCH A) 2-ethynebutane B) 3-methyl-1-pentyne C) 3-methyl-4-pentyne D) 3-ethyl-1-butyne...
9. Draw two different chair conformations of cyclohexanol, showing all hydropen atoms. Identify each position as axial or equatorial 10. Draw the most stable chair conformation of the following molecules, and estimate the amount of strain in each: (a) trans-1-Chloro-3-methylcyclohexane (b) cis-1-Ethyl-2-methylcyclohexane (c) cis-1-Bromo-4-ethylcyclohexane (d) cis-1-tert-Butylcyclohexane 11. Which isomer is more stable, cis-decalin or trans-decalin? Explain. 12. Glucose exists in two forms having a 36:64 ratio at equilibrium. Draw a skeletal structure of each, describe the difference between them and...
Using the attached sheet, find where each element is located
on this new periodic table.
Period-> Moun is 16 HS hydrogen He 4.C02802 boron riges oxyge fuoring 1.00794 thlum beryllium F 18.0904 10 Ne 20.1797 12.0107 | 140057415994 Li Be 9012112 magnesium 18 6941 sodium 11 AI Р 30.97375 26.981536 Na Mg 22.99977 243050 potassium CI Ar 35.453 39.984 krypton 36 Kr 73.904 103.799 Ga edicium 20 Ca Ge As Se 7264 K 39.098340.078 LJ mo their proper position on...
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