(Solved): A) 4-propylhexane B) 3-ethyl-2-methylhexane C) 3-propylhexane D) 4-ethyl-5-methylheptane 16. Which ...

A) 4-propylhexane B) 3-ethyl-2-methylhexane C) 3-propylhexane D) 4-ethyl-5-methylheptane 16. Which of these alkane isomers has the highest boiling point? A) ${\left({\mathrm{CH}}_3\right)}_2{\mathrm{CHCH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$ B) ${\left({\mathrm{CH}}_3\right)}_2{\mathrm{CHCH}}_2{\mathrm{CH}}_2\mathrm{CH}{\left({\mathrm{CH}}_3\right)}_2$ C) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_3$ D) ${\left({\mathrm{CH}}_3\right)}_3\mathrm{CC}{\left({\mathrm{CH}}_3\right)}_3$ 17. Which compound has the highest boiling point? A) ${\mathrm{CH}}_3{\left({\mathrm{CH}}_2\right)}_4{\mathrm{CH}}_2\mathrm{OH}$ B) ${\mathrm{CH}}_3{\left({\mathrm{CH}}_2\right)}_2\mathrm{O}{\left({\mathrm{CH}}_2\right)}_2{\mathrm{CH}}_3$ C) ${\mathrm{CH}}_3{\left({\mathrm{CH}}_2\right)}_5{\mathrm{CH}}_3$ D) All of the compounds above have the same boiling point. 18. What are the classifications of the labeled carbon atoms in this structure? A) $\mathrm{C}1$ is a $1^{?},\mathrm{C}2$ is $2^{?},\mathrm{C}3$ is a $3^{?}$, and $\mathrm{C}4$ is $4^{?}$. B) $\mathrm{C}1$ is a $2^{?},\mathrm{C}2$ is $3^{?},\mathrm{C}3$ is a $3^{?}$, and $\mathrm{C}4$ is $4^{?}$. C) C1 is a $1^{?},\mathrm{C}2$ is $2^{?},\mathrm{C}3$ is a $3^{?}$, and C4 is $1^{?}$. D) C 1 is a $1^{?},\mathrm{C}2$ is $3^{?},\mathrm{C}3$ is a $3^{?}$, and $\mathrm{C}4$ is $4^{?}$.