4. Alkanes and Cycloalkanes

The following names are all incorrect. Draw the structure represented by the incorrect name (or a consistent structure if the name is ambiguous), and give your drawing the correct name.

e. 2,5-dimethylcyclohexene

Which step in the IUPAC naming process is specific to alkenes but not to alkynes?

Which of the following is the correct IUPAC name for the compound with the structure ${\mathrm{CH}}_3-{\mathrm{CH}}_2-{\mathrm{CH}}_2-{\mathrm{CH}}_2-C\left({\mathrm{CH}}_3\right)=C\left({\mathrm{CH}}_2{\mathrm{CH}}_3\right)-{\mathrm{CH}}_2{\mathrm{CH}}_3$ using $E/Z$ notation for stereochemistry?

Which of the following is the correct structure for 4-bromo-2-hexyne?

How many of the following names are correct? Correct the incorrect names.

g. 2-ethyl-2-butene

h. (E)-2-methyl-1-hexene

i. 2-methylcyclopentene

Given the following structure: ${\mathrm{CH}}_2={\mathrm{CH}}_2$, select the correct common name and/or IUPAC name for the compound.

Which of the following statements correctly describes the name $3$-ethyl-$5$-isobutyl-$3$-methylnonane according to IUPAC nomenclature rules for alkenes?

Given the structure shown in mc012-1.jpg, what is the correct IUPAC name for the molecule?

Which of the following structures corresponds to the sleeping pill ramelteon, an alkene-containing compound used for insomnia treatment?

Which of the following is the correct IUPAC name for a straight-chain alkene with $8$ carbon atoms and a double bond starting at carbon $1$?

Draw the structure and give the systematic name for a compound with molecular formula C₅H₁₂ that has

(a) only primary and secondary hydrogens.

What is each compound's systematic name?

c.

What is each compound's systematic name?

b.

What is each compound's systematic name?

a.