QUESTION 48 Which of the following is the most stable conformation or els-1-sopropyl-3-methylcyclohexanet HH HORS QUESTION...
What is the approximate dihedral angle between the two chlorine atoms in the least stable conformation of trans-1,2-dichlorocyclohexane? Show your Newman Projection. 1) 0 2) 60 3) 120 4) 180
Please answer all 3 questions Which represents a pair of resonance structures? NH NH2 and H3C Hgc 9 CC=CH2 and 1 Hac H H H CH OH O and OOH нссон and TH H Hyc Copt н" 3 OO QUESTION 27 How many stereoisomers of 3-penten-2-ol exist? 2 3 4 0 0 QUESTION 28 What is the approximate dihedral angle between the two chlorine atoms in the diequatorial conformation of trans-1,2-dichlorocyclohexane? 0° 60° 120° 180° MacBoo
b. Which of the following alkanes has the highest bolling point? 2,3-dimethylbutane: 2-methylpentane; 3-methylpentane; hexane c. Which of the following compounds can adopt a chair conformation in which there are no axial methyl groups? 1,1-dimethylcyclohexane; cis-1,2-dimethylcyclohexane; trans-1,2-dimethylcyclohexane; trans-1,3-di methylcyclohexane d. Which of the following compounds can adopt a chair conformation which there are no axial methyl groups? cis-1,2-dimethylcyclohexane; cis-1,3-dimethylcyclohexane; trans-1,3-dimethylcyclohexane; cis-1.4-dimethylcyclohexane cis-1,2-dimethvcyclohexane (Enter the numerical value only, without any units)? e. What is the approximate di hedral angle between the...
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°.
H5.31 - Level 2 Consider the most stable chair conformation of all cis-4-tert-butyl-1,2-dimethylcyclohexane (all substituents are cis on the molecule). What is the bond angle between the two methyl groups when looking down the C1-C2 bond? A 45˚ B 60˚ C 109.5˚ D 120˚ E 180˚
1. Rank the following cyclic alkanes from most stable (1) to least stable (4). (2 pts) 2. From the sawhorse projections below, circle the highest energy conformation for ethane. (2 pts) HH Hн HHH HH Hy Yo ΗΜΗ 3. Circle the chair conformation below that represents the lowest energy conformation for cis-1,3- dimethylcyclohexane? (2 pts) SSSSSS 4. In the figure below, identify the Newman projections by the letter (A, B, C, or D) which best describes each conformation for 1-chloropropane....
How would you draw the most stable conformation of trans-1-ethyl-3-methylcyclohexane? Axial ethyl group on C-1, Axial methyl group on C-3 Axial ethyl group on C-1, Equatorial methyl group on C-3 Equatorial ethyl group on C-1, Axial methyl group on C-3 Equatorial ethyl group on C-1, Equatorial methyl group on C-3 Choices b and c are both correct Choices a and d are both correct How would you draw the most stable conformation of trans-1-chloro-2-fluorocyclohexane? Axial chlorine on C-1, Axial fluorine...
How would you draw the most stable conformation of trans-1-chloro-4-fluorocyclohexane? O Axial chlorine on C-1, Axial fluorine on C-4 o Axial chlorine on C-1, Equatorial fluorine on C-4 O Equatorial chlorine on C-1, Axial fluorine on C-4 O Equatorial chlorine on C-1, Equatorial fluorine on C-4 O Choices b and c are both correct O Choices a and d are both correct Submit Answer Tries 0/1 How would you draw the most stable conformation of trans-1-bromo-4-fluorocyclohexane? O Axial bromine on...
Question 1.) Which of the following describes the most stable conformation of trans-1-tert-butyl-3-methylcyclohexane? a.) Both groups are equatorial. b.) Both groups are axial. c.) none of these d.) The tert-butyl group is axial and the methyl group is equatorial. e.) The tert-butyl group is equatorial. Question 2.) Alkanes with one to four carbons exists as gases at room temperature. a.) True b.) False Question 3.) How many monochlorination products would be obtained from the chlorination of pentane a.) 1 b.)...
How would you draw the most stable conformation of trans-1-tert-butyl-3-methylcyclohexane? Axial tert-butyl group on C-1, Axial methyl group on C-3 Equatorial tert-butyl group on C-1, Axial methyl group on C-3 Axial tert-butyl group on C-1, Equatorial methyl group on C-3 Equatorial tert-butyl group on C-1, Equatorial methyl group on C-3 Choices b and care both correct Choices a and d are both correct Submit Answer Tries 0/1 How would you draw the most stable conformation of cis-1-chloro-3-fluorocyclohexane? Axial chlorine on...