Exam 3: Organic Compounds: Alkanes and Their Stereochemistry

MATCH a structure below to each of the following descriptions and place the letter corresponding to the structure in the blank. -_____ is a tertiary chloride.

Arrange the following conformation from lowest to highest energy.

Exhibit 3-3 Label the following pairs of compounds as: -_____

If the following alkyl group were attached to a cyclohexane ring, the group would be named as:

Which of the following functional groups if bonded to a three-carbon chain would have the largest δ- charge?

Exhibit 3-3 Label the following pairs of compounds as: -_____

MATCH a structure below to each of the following descriptions and place the letter corresponding to the structure in the blank. -_____ is a cyclic alkane with two cis methyl groups.

Exhibit 3-4 Experiments have shown that for 1,2-dichloroethane,ClCH₂CH₂Cl,in carbon tetrachloride solution at 25 °C,70% of the molecules are in the anti and 30% are in the gauche conformation. -Refer to Exhibit 3-4.Draw a Newman projection of the gauche conformation of 1,2-dichloroethane.Explain why the majority of the molecules are not in the gauche conformation.

How many isomeric chloroalkanes have the molecular formula shown below? C₄H₉Cl

How many eclipsed conformations can be drawn?

Exhibit 3-4 Experiments have shown that for 1,2-dichloroethane,ClCH₂CH₂Cl,in carbon tetrachloride solution at 25 °C,70% of the molecules are in the anti and 30% are in the gauche conformation. -Refer to Exhibit 3-4.Draw a Newman projection of the anti conformation of 1,2-dichloroethane.

Exhibit 3-6 Predict the hybridization of the indicated atoms in Cipro . -Refer to Exhibit 3-6.The hybridization of this carbon atom (B) is __________.

Draw: 6-ethyl-4-isopropyldecane

Draw at least four isomers with molecular formula given below. C₄H₁₀O

Exhibit 3-2 Label the indicated atoms in the structure below as 1°,2°,3°,or 4°. -Refer to Exhibit 3-2.The atom at C is _____.

Exhibit 3-2 Label the indicated atoms in the structure below as 1°,2°,3°,or 4°. -Refer to Exhibit 3-2.The atom at B is _____.

Exhibit 3-6 Predict the hybridization of the indicated atoms in Cipro . -Refer to Exhibit 3-6.The hybridization of this nitrogen atom (A) is __________.

Exhibit 3-2 Label the indicated atoms in the structure below as 1°,2°,3°,or 4°. -Refer to Exhibit 3-2.The atom at A is _____.

Circle and name each functional group in the following structure.

Exhibit 3-2 Label the indicated atoms in the structure below as 1°,2°,3°,or 4°. -Refer to Exhibit 3-2.The atom at D is _____.