Propose structures for molecules that fit the following descriptions:

(c) An aromatic compound that is also an ether, C₈H₁₀O

If one compound has the formula C₅H₁₀ and another has the formula C₄H₁₀ are the two compounds isomers? Explain.

Give an example of a compound that meets the following descriptions:

b. A cycloalkane with three substituents

Write condensed structures for the following molecular formulas. More than one isomer will be required for each.

a. Isomers of C₈H₁₈ that contain two methyl groups and a longest chain of 4 carbons

How many straight-chain isomers can you write that fit the following descriptions? See Worked Example 12.12 for guidance.

b. Amines (―NH₂) with a longest chain of 7 carbons

How many isomers can you write that fit the following descriptions? See Worked Example 12.12 for guidance.

c. Alcohols (―OH) formed from 2-methylhexane

Which of the following pairs of structures are identical, which are isomers, and which are unrelated?

a.

What is wrong with the following structures?

a. CH₃=CHCH₂CH₂OH

There are two things wrong with the following structure. What are they?

What are the IUPAC names of the following alkanes?

f.

Give IUPAC names for the five isomers with the formula C₆H₁₄.

Write condensed structures for the following compounds:

a. 4-tert-Butyl-2-methylheptane

Write condensed structures for the following compounds:

c. 4,4-Diethyl-3-methyloctane

Write condensed structures for the following compounds:

d. 3-Ethyl-1-isopropyl-5-methylcycloheptane

Name the following cycloalkanes:

c.

The following names are incorrect. Tell what is wrong with each, and provide the correct names.

a.

The following names are incorrect. Tell what is wrong with each, and provide the correct names.

b.

The following names are incorrect. Tell what is wrong with each, and provide the correct names.

c.

The following names are incorrect. Write the structural formula that agrees with the apparent name, and then write the correct name of the compound

a. 2-Ethylbutane

Draw the structural formulas and name all cyclic isomers with the formula C₅H₁₀.

Propane, commonly known as liquid petroleum (LP) gas, burns in air to yield CO₂ and H₂O. Write a balanced equation for the reaction.

Write the formulas of the three doubly brominated isomers formed when 2-methylpropane reacts with Br₂ in the presence of light.

Identify the indicated functional groups in the following molecules:

b. Thienamycin, an antibiotic

The line structure for pregabalin (Lyrica) is shown as follows:

Identify carbons a–d as primary, secondary, tertiary, or quaternary.

When pentane is exposed to Br₂ in the presence of light, a halogenation reaction occurs. Write the formulas of:

a. All possible products containing only one bromine

Which do you think has a higher boiling point, pentane or neopentane (2,2-dimethylpropane)? Why?

How many hydrogen atoms are needed to complete the hydrocarbon formulas for the following carbon backbones?

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