Exam 3: Structure and Stereochemistry of Alkanes

With each structure below drawn in its most stable chair conformation, identify the sequence that ranks the structures in order of increasing stability.

Why are alkanes described as $\underline{\text{ hydrophobic? }}$

Straight-chain alkanes are also called ________.

Which of the following statements regarding cyclobutane is correct?

Draw the most stable conformation of trans-1,4-dipropylcyclohexane.

Which of the following cycloalkanes has the smallest heat of combustion per CH₂ group?

Provide an acceptable name for the compound below.

Which of the statements below correctly describes the chair conformations of

The twisted boat conformation of cyclohexane is actually a slightly lower energy conformation than the boat conformation. Which of the following accurately describes one factor involved in this structural behavior ?

Draw the most stable conformation of cis-1,4-dipropylcyclohexane.

Draw the Newman projection of the highest energy conformation that results from rotation about the C2-C3 bond of 2-methylbutane.

Natural gas is primarily composed of

Consider rotation about the C3-C4 bond of hexane, and draw the Newman projection for the most stable conformation.

Arrange the following conformers of butane in order of energy, lowest to highest: eclipsed, totally eclipsed, gauche, and anti.

From the perspective of viewing down the C2-C3 bond, draw the Newman projection of the most stable conformation of 2,3-dimethylbutane.

Without any change in conformation, translate the Newman projection shown below to a perspective structure.

If an acyclic alkane hydrocarbon contains n carbon atoms, how many hydrogen atoms must it also contain?

By using the appropriate molecular formulas, write a balanced equation which describes the complete combustion of cyclohexane.

In the lowest energy conformation of the compound below, how many alkyl substituents are axial?

Identify the correct IUPAC name for the structure shown below.