1. The energy barrier for carbon-carbon bond rotation in propane is mainly due to 2. Which of the following correctly ranks the cycloalkanes in order of increasing ring strain per methylene'? A) cyclopropane < cyclobutane < cyclohexane < cyclopentane B) cyclohexane < cyclopentane < cyclobutane < cyclopropane C) cyclohexane < cyclobutane < cyclopentane < cyclopropane D) cyclopentane < cyclopropane < cyclobutane < cyclohexane E) cyclopropane < cyclopentane < cyclobutane < cyclohexane 3. Which of the statements correctly describes the chair conformations of trans-1,3-diethylcyclohexane? A) The two chair conformations are equal in energy. B) The higher energy chair conformation contains two axial ethyl groups. C) The higher energy chair conformation contains two equatorial ethyl groups. D) The lower E) The lower energy chair conformation contains two equatorial ethyl groups. chair conformation contains two axial ethyl groups. energy 4. Provide the IUPAC name for the compounds below. CH3 "С,CHa (C) (E) (D) (A) (В) 5. (a) Draw one of the chair conformer of cyclohexane. Label the axial hydrogens (Ha) and the equatorial hydrogens (He). (b) Draw the boat conformation of cyclohexane and clearly explain why the boat conformation is less stable than the chair conformation. 6. (a) Draw the two chair conformations of trans-1-t-butyl-4-methylcyclohexane. (b) Which of the two conformations is more stable. Explain your answer.
1. The energy barrier for carbon-carbon bond rotation in propane is mainly due to 2. Which of the following correctly ranks the cycloalkanes in order of increasing ring strain per methylene'? A) cyclopropane < cyclobutane < cyclohexane < cyclopentane B) cyclohexane < cyclopentane < cyclobutane < cyclopropane C) cyclohexane < cyclobutane < cyclopentane < cyclopropane D) cyclopentane < cyclopropane < cyclobutane < cyclohexane E) cyclopropane < cyclopentane < cyclobutane < cyclohexane 3. Which of the statements correctly describes the chair conformations of trans-1,3-diethylcyclohexane? A) The two chair conformations are equal in energy. B) The higher energy chair conformation contains two axial ethyl groups. C) The higher energy chair conformation contains two equatorial ethyl groups. D) The lower E) The lower energy chair conformation contains two equatorial ethyl groups. chair conformation contains two axial ethyl groups. energy 4. Provide the IUPAC name for the compounds below. CH3 "С,CHa (C) (E) (D) (A) (В) 5. (a) Draw one of the chair conformer of cyclohexane. Label the axial hydrogens (Ha) and the equatorial hydrogens (He). (b) Draw the boat conformation of cyclohexane and clearly explain why the boat conformation is less stable than the chair conformation. 6. (a) Draw the two chair conformations of trans-1-t-butyl-4-methylcyclohexane. (b) Which of the two conformations is more stable. Explain your answer.
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter6: Alkanes & Alkenes
Section: Chapter Questions
Problem 10CTQ: Consider the Newman projection below. a. Draw a full Lewis structure of this molecule with...
Related questions
Question
Transcribed Image Text:1. The energy barrier for carbon-carbon bond rotation in propane is mainly due to
2. Which of the following correctly ranks the cycloalkanes in order of increasing ring strain per methylene'?
A) cyclopropane < cyclobutane < cyclohexane < cyclopentane
B) cyclohexane < cyclopentane < cyclobutane < cyclopropane
C) cyclohexane < cyclobutane < cyclopentane < cyclopropane
D) cyclopentane < cyclopropane < cyclobutane < cyclohexane
E) cyclopropane < cyclopentane < cyclobutane < cyclohexane
3. Which of the statements correctly describes the chair conformations of trans-1,3-diethylcyclohexane?
A) The two chair conformations are equal in energy.
B) The higher energy chair conformation contains two axial ethyl groups.
C) The higher energy chair conformation contains two equatorial ethyl groups.
D) The lower
E) The lower energy chair conformation contains two equatorial ethyl groups.
chair conformation contains two axial ethyl groups.
energy
4. Provide the IUPAC name for the compounds below.
CH3
"С,CHa (C)
(E)
(D)
(A)
(В)
5. (a) Draw one of the chair conformer of cyclohexane. Label the axial hydrogens (Ha) and the equatorial hydrogens (He).
(b) Draw the boat conformation of cyclohexane and clearly explain why the boat conformation is less stable than the chair
conformation.
6. (a) Draw the two chair conformations of trans-1-t-butyl-4-methylcyclohexane.
(b) Which of the two conformations is more stable. Explain your answer.
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 1 images
Recommended textbooks for you
Organic Chemistry: A Guided Inquiry
Chemistry
ISBN:
9780618974122
Author:
Andrei Straumanis
Publisher:
Cengage Learning
Organic Chemistry: A Guided Inquiry
Chemistry
ISBN:
9780618974122
Author:
Andrei Straumanis
Publisher:
Cengage Learning