Homework Answers
Two carbons are sp3 hybridised and have a bond angle of 109degrees 28 minutes as required to releive from angle strain. So this molecule has no angle strain but has torsional strain and vanderwaals repulsion as follows
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Specify the types of strain that destabilize the conformer shown below. Hint: All bonds...
[Review Topics (References Specify the types of strain that destabilize the conformer shown below. Hint: All...
[Review Topics (References Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain HC
which strains are present or not present? Specify the types of strain that destabilize the conformer...
which strains are present or not present?
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation. 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain HH H₃C "Z CH₂ CH3 Previous
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly...
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation. 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain CH3 H H H. H CH3 Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol 4.0 1.0 H: H eclipsing H: CH3 eclipsing CH3 : CH3 eclipsing 5.8 1.4 11.0...
6. Build the cyclobutane ring and study the angle strain and torsional strain. Draw the structures to explain thes...
6. Build the cyclobutane ring and study the angle strain and torsional strain. Draw the structures to explain these factors. 7. The conformation of cyclobutane is slightly folded. Folding gives partial relief from the eclipsing of bonds, as shown in the Newman projection. Compare this actual structure with the hypothetical planar structure. Draw the relevant structures. 8. trans-1,2-Dimethylcyclobutane is more stable than cis-1,2-dimethylcyclobutane, but cis-1,3- dimethylcyclobutane is more stable than trans-1,3-dimethylcyclobutane. Use the molecular models to find the reasons for...
Please help to answer this, so I can understand this, Thanks !! 5.) (12 points) For...
Please help to answer this, so I can understand this, Thanks
!!
5.) (12 points) For 2,3-dimethylpentane, (CH3)2CH-CH(CH)2 (a) sighting along the indicated bond, draw all possible staggered conformers using Newman projections, identify the strains, ergy of each conformer, and rank the conformers according to stability (b) draw the least stable eclipsed conformer, show the strains, and give the total strain energy. (See Reference Section at end of test for strain-energy values.) (4 points) Cyclopropane has a total strain energy...
Page C 1) What functional group is NOT present in the structure below? a. alkyne b....
Page C 1) What functional group is NOT present in the structure below? a. alkyne b. alkene c. ether d. aldehyde e. amine 2) What is the correct IUPAC name for the molecule below? a. 3-tert-butyl-4-methylhexane b. 3-tert-butyl-4-methylpentane c. neononane d. 3.ethyl-2,2,4-trimethylpentane e. 1-ethyl-1-isopropyl-tert-butane 3) Which molecule will have the highest boiling point? tinio 4) How many different constitutional isomers may be formed upon monochlorination with Cly/light of the alkane shown below? 5) How many secondary hydrogen atoms are present...
6. Provide the IUPAC names for the compounds below Name: 7. Draw the following: cis-1-isobutyl-2-propyleyclopentane 8....
6. Provide the IUPAC names for the compounds below Name: 7. Draw the following: cis-1-isobutyl-2-propyleyclopentane 8. Label the indicated atoms in the structure below as 1º, 2º, 3º, or 4º. PB A A B co 9. Draw Newman projections for the day-diethylane about the C4CS bond, Circle the most stable conforme if you need additional space, please feel free to the backside of this paper 10. Draw the chair conformation and ring-flip for the given compound. Calculate the sterie strain...
i need help with 16-18 : Short answers. Please answer the following questions in the space provided next to each q...
i need help with 16-18
: Short answers. Please answer the following questions in the space provided next to each question. Answer each question to the best of your ability, Be sure to show your thought process. 16. C. D. E and F. Consider the following energy diagram with energy maxima and minima marked as A, B. 45 kcalimol 19 kmol 45 kcalmol 19kmol 360 300 180 240 60 pihedral angle a) The conformations at a gap of 60° of...
please explain all answers! MC.4 A compound X with molecular formula CgHı2 and no triple bonds...
please explain all answers!
MC.4 A compound X with molecular formula CgHı2 and no triple bonds reacts with one equivalent of H2 to give a new compound having molecular formula C2H4. What can be said about the structure of compound X? A) Compound X has 3 rings. B) Compound X has 1 ring and 2 double bonds. Compound X has 2 rings and 1 double bond. Compound X has 3 double bonds. It's impossible to say anything about the structure...
no explanation needed, just letters that correspond with right answers. thanks! Name Exam 2: Chapters 4-7...
no
explanation needed, just letters that correspond with right
answers. thanks!
Name Exam 2: Chapters 4-7 Please put all of your answers on the scantron sheet. This exam paper must be returned with the scar For questions that list only 1,2,3,4, use the letters a,b.c.d respectively on the Scantron 1. What is the approximate value of the H-C-H bonds angle in ethylene? a. 90° b. 109 c. 120 d. 180 2. What type of molecular orbital is formed by the...
[Review Topics (References Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain HC
which strains are present or not present?
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation. 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain HH H₃C "Z CH₂ CH3 Previous
Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicitly shown are in the staggered conformation. 1. Torsional strain 2. Angle (ring) strain 3. Steric (van der Waals) strain CH3 H H H. H CH3 Calculate strain energy for the conformer pictured below, using strain energy increments from the table. Strain Energy for Alkanes Interaction / Compound kJ/mol kcal/mol 4.0 1.0 H: H eclipsing H: CH3 eclipsing CH3 : CH3 eclipsing 5.8 1.4 11.0...
6. Build the cyclobutane ring and study the angle strain and torsional strain. Draw the structures to explain these factors. 7. The conformation of cyclobutane is slightly folded. Folding gives partial relief from the eclipsing of bonds, as shown in the Newman projection. Compare this actual structure with the hypothetical planar structure. Draw the relevant structures. 8. trans-1,2-Dimethylcyclobutane is more stable than cis-1,2-dimethylcyclobutane, but cis-1,3- dimethylcyclobutane is more stable than trans-1,3-dimethylcyclobutane. Use the molecular models to find the reasons for...
Please help to answer this, so I can understand this, Thanks
!!
5.) (12 points) For 2,3-dimethylpentane, (CH3)2CH-CH(CH)2 (a) sighting along the indicated bond, draw all possible staggered conformers using Newman projections, identify the strains, ergy of each conformer, and rank the conformers according to stability (b) draw the least stable eclipsed conformer, show the strains, and give the total strain energy. (See Reference Section at end of test for strain-energy values.) (4 points) Cyclopropane has a total strain energy...
Page C 1) What functional group is NOT present in the structure below? a. alkyne b. alkene c. ether d. aldehyde e. amine 2) What is the correct IUPAC name for the molecule below? a. 3-tert-butyl-4-methylhexane b. 3-tert-butyl-4-methylpentane c. neononane d. 3.ethyl-2,2,4-trimethylpentane e. 1-ethyl-1-isopropyl-tert-butane 3) Which molecule will have the highest boiling point? tinio 4) How many different constitutional isomers may be formed upon monochlorination with Cly/light of the alkane shown below? 5) How many secondary hydrogen atoms are present...
6. Provide the IUPAC names for the compounds below Name: 7. Draw the following: cis-1-isobutyl-2-propyleyclopentane 8. Label the indicated atoms in the structure below as 1º, 2º, 3º, or 4º. PB A A B co 9. Draw Newman projections for the day-diethylane about the C4CS bond, Circle the most stable conforme if you need additional space, please feel free to the backside of this paper 10. Draw the chair conformation and ring-flip for the given compound. Calculate the sterie strain...
i need help with 16-18
: Short answers. Please answer the following questions in the space provided next to each question. Answer each question to the best of your ability, Be sure to show your thought process. 16. C. D. E and F. Consider the following energy diagram with energy maxima and minima marked as A, B. 45 kcalimol 19 kmol 45 kcalmol 19kmol 360 300 180 240 60 pihedral angle a) The conformations at a gap of 60° of...
please explain all answers!
MC.4 A compound X with molecular formula CgHı2 and no triple bonds reacts with one equivalent of H2 to give a new compound having molecular formula C2H4. What can be said about the structure of compound X? A) Compound X has 3 rings. B) Compound X has 1 ring and 2 double bonds. Compound X has 2 rings and 1 double bond. Compound X has 3 double bonds. It's impossible to say anything about the structure...
no
explanation needed, just letters that correspond with right
answers. thanks!
Name Exam 2: Chapters 4-7 Please put all of your answers on the scantron sheet. This exam paper must be returned with the scar For questions that list only 1,2,3,4, use the letters a,b.c.d respectively on the Scantron 1. What is the approximate value of the H-C-H bonds angle in ethylene? a. 90° b. 109 c. 120 d. 180 2. What type of molecular orbital is formed by the...
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