Chapter 3 practice exam

Chapter 3 practice exam - Chapter 3 Conformations of...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter 3 Conformations of Alkanes and Cycloalkanes Student: ___________________________________________________________________________ 1. Identify the conformation of butane shown below. A. anti B. gauche C. skewed D. eclipsed 2. What is the IUPAC name of the compound shown in the following Newman projection? A. 1,1,2,2-tetramethylethane B. 1,2-dimethylethane C. 2,2,3,3-tetramethylbutane D. 2,3-dimethylbutane
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
3. What is the IUPAC name of the compound shown below? A. 1,2,3-trimethylbutane B. 2,3-dimethylpentane C. 2,3,4-trimethylpentane D. 2-isopropylbutane 4. What is the dihedral (torsion) angle between the two bromine atoms in the following sawhorse drawing? A. 0 o B. 30 o C. 60 o D. 90 o 5. At room temperature, the various conformations of butane A. do not interconvert; only the anti form is present. B. do not interconvert, but all conformations are present. C. interconvert very slowly. D. interconvert very rapidly.
Background image of page 2
6. Which statement is correct concerning the relative stabilities of the two conformations, A and B, below? A. A is more stable. B. B is more stable. C. A and B are equal in stabilities. D. A and B are not equal in stability, but the preferred conformation cannot be determined by inspection. 7. Identify the spatial relationship of the two chlorine atoms. A. gauche B. anti C. eclipsed D. twist
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Which statement is correct concerning the relative stabilities of the two conformations, A and B, below? A. A is more stable. B. B is more stable. C. A and B are equal in stabilities. D. A and B are not equal in stability, but the preferred conformation cannot be determined by inspection. 9. What is the IUPAC name of the following compound? A. trans -1,4-dimethylcyclohexane B. cis -1,4-dimethylcyclohexane C. trans -1,3-dimethylcyclohexane D. cis -1,3-dimethylcyclohexane 10. What is the dihedral (torsion) angle between the two bromine atoms in the wedge-and-dash drawing below? A.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/14/2010 for the course CHE Chem 232 taught by Professor Clement during the Summer '10 term at CUNY Lehman.

Page1 / 18

Chapter 3 practice exam - Chapter 3 Conformations of...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online