Starting with the fully eclipsed Newman projection, how many gauche and how many anti Newman projections...
Starting with the fully eclipsed Newman projection, how many gauche and how many anti Newman projections will you encounter when the back C atom (C3) in the C2-C3 bond in butane is rotated clockwise from 0 to 360 degrees?
Select one:
a. two gauche, one anti
b. one gauche, two anti
c. one gauche, one anti
d. two gauche, two anti
Homework Answers
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Starting with the fully eclipsed Newman projection, how many
gauche and how many anti Newman projections...
1. Draw the Neman Projection of the following Promane descriptions Newman projection for most stable Newman...
1. Draw the Neman Projection of the following Promane descriptions Newman projection for most stable Newman projection for least stable conformation conformation 2. Draw the Newman projections for butane looking down the C2-C3 bond through a full 360 degree rotation. Start with the anti-staggered Newman projection then draw and label each Newman projection (staggered, eclipsed, gauche, anti-staggered, fully-eclipsed) for every 60 degrees of rotation Newman projection for most stable Newman projection for second-most stable conformation Conformation Newman projection for least...
Using Newman projection draw an eclipsed, gauche, and anti conformation for the compound brlow and indicate...
Using Newman projection draw an eclipsed, gauche, and anti conformation for the compound brlow and indicate which is the most stable. 2-Iodobutane (C2-C3 bond)
Newman's projections Draw and identify the anti, gauche and eclipsed conformations of each compound. (18 pts,...
Newman's projections Draw and identify the anti, gauche and eclipsed conformations of each compound. (18 pts, 6 pts each) 1. butane, relative to link C2-C3 2. 1-chloropropane, relative to C1-C2 bond 3. 2-methylbutane, relative to the C2-C3 bond
Understanding Conformation Analysis Draw two Newman Projections for a n-pentane that depict and anti and gauche...
Understanding Conformation Analysis Draw two Newman Projections for a n-pentane that depict and anti and gauche conformation looking down the c2-c3 bond. Which conformation is the most stable and why?
9.78 The two lowest energy conformations of pentane are the anti-anti and the anti-gauche forms, in...
9.78 The two lowest energy conformations of pentane are the anti-anti and the anti-gauche forms, in terms of arrangements around the two central C─C bonds. A recent study analyzed the conformations of 3-heptyne as an “elongated” analogue of pentane, where a carbon-carbon triple bond is “inserted” between C2 and C3 of pentane.[15] Interestingly, the researchers found that in each of the two most stable conformations of 3-heptyne, C1 and C6 are nearly eclipsed (looking down the alkyne group). In one...
3. Draw butane in wedge and dash depiction, sawhorse depiction and in its Newman projection looking...
3. Draw butane in wedge and dash depiction, sawhorse depiction and in its Newman projection looking down the 2.3 bond. Show eclipsed, gauche and anti forms. 4. Draw all Newman projections of 2-methylhexane showing eclipsed, gauche and anti forms. Rotate about the 3.4 carbon-carbon bond and watch what happens to the Draw a potential energy diagram for the rotation about the 3,4 carbon- carbon bond plotting Potential Energy versus Torsion Angle.
18. How many rings does the following molecule have? AL B.2 0.3 0.4 E. None of...
18. How many rings does the following molecule have? AL B.2 0.3 0.4 E. None of the above 19. Which of the following would represent the lowest energy conformation of butane looking at the Newman projection down the C2-C3 bond? A. The (CH3,CH3) eclipsed conformation C. The gauche conformation B. The (H,CH) eclipsed conformation D. The anti-conformation E. The parallel conformation
In-Class Worksheet In the box below each molecule, draw Newman projections for the structures A, B,...
In-Class Worksheet In the box below each molecule, draw Newman projections for the structures A, B, and C shown from the perspective indicated. For each Newman projection that you've drawn, indicate if there are any eclipsed bonds or 1. gauche butane interactions. H H CH3 H3C CH3 CH3 H. H3C CH3 H CH3 H H Structure C Structure B Structure A Structure A can exist in a lower energy conformation by undergoing a bond rotation; draw the Newman projection of...
draw the Newman projections. questions 1,2 and 3 1. (1 pts) 1 pts) Draw the Newman projection for the following spe...
draw the Newman projections. questions 1,2 and 3
1. (1 pts) 1 pts) Draw the Newman projection for the following species, looking down the between (i) ethyl and carboxylic acid group and (ii) OH and carboxylic acid group as the answer). in the bond indicated. Idell as anti, eclipsed or gauche соон OH (1) anti, eclipsed or gauche COOH WH HN (ii) anti, eclipsed or gauche 2. (1 pt.) Which conformation in question 1 is more stable (a) or (b)?...
According to my teacher this is the correct answer. However would someone be able to explain to me how ii is eclipsed an...
According to my teacher this
is the correct answer. However would someone be able to explain to
me how ii is eclipsed and why it is not gauche.
1. (1 pts) Draw the Newman projection for the following species, looking down the bond indicated. Identify position between (i) ethyl and methoxy group and (ii) two methyl groups as anti, eclipsed or gauche (circle the answer). HIIT Br (i) anti, eclipsed or gauche (ii) anti, eclipsed or gauche bi
1. Draw the Neman Projection of the following Promane descriptions Newman projection for most stable Newman projection for least stable conformation conformation 2. Draw the Newman projections for butane looking down the C2-C3 bond through a full 360 degree rotation. Start with the anti-staggered Newman projection then draw and label each Newman projection (staggered, eclipsed, gauche, anti-staggered, fully-eclipsed) for every 60 degrees of rotation Newman projection for most stable Newman projection for second-most stable conformation Conformation Newman projection for least...
Using Newman projection draw an eclipsed, gauche, and anti conformation for the compound brlow and indicate which is the most stable. 2-Iodobutane (C2-C3 bond)
Understanding Conformation Analysis Draw two Newman Projections for a n-pentane that depict and anti and gauche conformation looking down the c2-c3 bond. Which conformation is the most stable and why?
3. Draw butane in wedge and dash depiction, sawhorse depiction and in its Newman projection looking down the 2.3 bond. Show eclipsed, gauche and anti forms. 4. Draw all Newman projections of 2-methylhexane showing eclipsed, gauche and anti forms. Rotate about the 3.4 carbon-carbon bond and watch what happens to the Draw a potential energy diagram for the rotation about the 3,4 carbon- carbon bond plotting Potential Energy versus Torsion Angle.
18. How many rings does the following molecule have? AL B.2 0.3 0.4 E. None of the above 19. Which of the following would represent the lowest energy conformation of butane looking at the Newman projection down the C2-C3 bond? A. The (CH3,CH3) eclipsed conformation C. The gauche conformation B. The (H,CH) eclipsed conformation D. The anti-conformation E. The parallel conformation
In-Class Worksheet In the box below each molecule, draw Newman projections for the structures A, B, and C shown from the perspective indicated. For each Newman projection that you've drawn, indicate if there are any eclipsed bonds or 1. gauche butane interactions. H H CH3 H3C CH3 CH3 H. H3C CH3 H CH3 H H Structure C Structure B Structure A Structure A can exist in a lower energy conformation by undergoing a bond rotation; draw the Newman projection of...
draw the Newman projections. questions 1,2 and 3
1. (1 pts) 1 pts) Draw the Newman projection for the following species, looking down the between (i) ethyl and carboxylic acid group and (ii) OH and carboxylic acid group as the answer). in the bond indicated. Idell as anti, eclipsed or gauche соон OH (1) anti, eclipsed or gauche COOH WH HN (ii) anti, eclipsed or gauche 2. (1 pt.) Which conformation in question 1 is more stable (a) or (b)?...
According to my teacher this
is the correct answer. However would someone be able to explain to
me how ii is eclipsed and why it is not gauche.
1. (1 pts) Draw the Newman projection for the following species, looking down the bond indicated. Identify position between (i) ethyl and methoxy group and (ii) two methyl groups as anti, eclipsed or gauche (circle the answer). HIIT Br (i) anti, eclipsed or gauche (ii) anti, eclipsed or gauche bi
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