Alkyl Groups Practice Problems

Provide the correct structures corresponding to the names (a) hexylcyclohexane and (b) 1-( tert-butyl)-3,5-dimethylcyclohexane.

Draw all four different four-carbon alkyl groups and give each of them the appropriate systematic name.

Show the structures of (a) 1-(sec-butyl)-4-methylcycloheptane and (b) 3,4,7-trimethyl-5-propylnonane.

Show the structures and give the common names of the following groups: (a) 2,2-dimethylpropyl, (b) 1,1-dimethylpropyl, (c) 4-methylpentyl, and (d) -(CH₂)₄CH₃.

Provide the name of the molecule shown below based on the IUPAC nomenclature:

Consider the substituents on the following nine carbon chains, what are their common names and IUPAC names?

(I)   (ii)  

Draw the appropriate skeletal structure for the following compound.
2,3-dimethyl-6-(1-methylethyl)-5-(1-methylpropyl)nonane

Draw the appropriate skeletal and condensed structures for the following compound.

4-ethyl-2,3-dimethylheptane

Draw the appropriate structure for each of these compounds. (i): 3,4-dimethylhexane, (ii): 3,3-dimethyl-5-isobutylnonane, (iii): 4-tert-butyl-3-methylheptane and (iv): 5-isopropyl-3-methyloctane.

Which of the following isomers has a tert-butyl group?

What is the systematic name of each compound?

What is the systematic name of the given molecule?

Each of these descriptions correspond to several alkanes. Write and name two different structures that fit the description in each case. (i): an isopropylnonane; (ii): a diethylheptane.

Which of the following isomers has a sec-butyl group?

Illustrate the structure of the given compound.

5-(tert-butyl)-3,4-diethyloctane

What is the molecule's IUPAC name?

For each of the following incorrect or incomplete names, write the corresponding structure and name the structure appropriately. (i): 2-ethylhexane; (ii): 3-isopropylheptane

Identify each hydrogen as primary (1°), secondary (2°), or tertiary (3°) in the given structures.

a. Isopentane

b. Pentane

What are the structures of isoheptane and heptane?

Consider the substituents on the nine carbon chain shown below,

(I) (ii)

Provide the common name and IUPAC name of the substituents.

How many of the following structural isomers of hexane may have common names?

Provide a skeletal structure for each alkane with the following descriptions:

i. has nine carbons with two tert-butyl groups.

ii. composed of five carbons, and all are secondary.

iii. has eleven carbons and contains only primary hydrogens.