2. (2 points each) Draw Newman projections for the gauche and anti conformations of 1,2-dichloroethane. 3....
Question 1 (1 point) Which of the following statements regarding Newman projections of 1,2- dichloroethane is false? a) The syn conformation is the highest energy conformation. O b) For the gauche conformations the dihedral angle is 60° Oc) The dihedral angle in the syn conformation is 120°. d) All staggered conformation are lower energy than all eclipsed conformations. e) The anti conformation has a dihedral angle of 180°.
Draw the Newman projections for the anti conformation and two types of eclipsed conformations of 1,2-diiodoethane. Of the two eclipsed conformations, which is of higher energy, and why?
Draw a Newman projection of the anti conformation of 1, 2-dichloroethane. Draw a Newman projection of the gauche conformation of 1, 2-dichloroethane. Draw the Newman eclipsed projection for 1, 2-dichloroethane. Why do you think this conformation, as indicated in in the explanation, does not "exist"?
5. Draw the Newman projections for the anti conformation and two types of eclipsed conformations of 1,2-diiodoethane. Of the two eclipsed conformations, which is of higher energy, and why?
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
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...
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)?...
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?
Draw the following conformations I) Conformations - Draw the following conformations of each molecule. a) Newman projection along the C1-C2 bond; a circle is provided for you. Circle all the terms that correctly describe that conformation. P.. H OH Circle ALL that apply: H anti gauche HH eclipsed staggered b) Newman projection along the C2-C bond; a circle is provided for you. Circle all the terms that correctly describe that conformation. Circle ALL that apply: HH anti gauche - OH...
Please answer in detail 5. Draw the Newman projections for the anti conformation and two types of eclipsed conformations of 1,2-diiodoethane. Of the two eclipsed conformations, which is of higher energy, and why?