Problem 14
What forces are responsible for the solubility of starch in water?
Problem 15
Draw the five structural isomers of hexane \(\left(\mathrm{C}_{6} \mathrm{H}_{14}\right)\)
Problem 19
Draw a structural formula for each of the following compounds. a. 2-methylpropane b. 2-methylbutane c. 2-methylpentane d. 2-methylhexane
Problem 20
Draw a structural formula for each of the following compounds. $$ \begin{array}{ll}{\text { a. } 2,2-\text { dimethylheptane }} & {\text { c. } 3,3 \text { -dimethylheptane }} \\ {\text { b. } 2,3 \text { -dimethylheptane }} & {\text { d. } 2,4 \text { -dimethylheptane }}\end{array} $$
Problem 25
Give two examples of saturated hydrocarbons. How many other atoms are bonded to each carbon in a saturated hydrocarbon?
Problem 26
Draw the structures for two examples of unsaturated hydrocarbons. What structural feature makes a hydrocarbon unsaturated?
Problem 29
Give the structure for each of the following. a. 3-hexene b. 2,4-heptadiene c. 2-methyl-3-octene
Problem 30
Give the structure for each of the following. a. 4-methyl-1-pentyne b. 2,3,3-trimethyl-1-hexene c. 3-ethyl-4-decene
Problem 31
Give the structure of each of the following aromatic hydrocarbons. $$ \begin{array}{ll}{\text { a. } o \text { -ethyltoluene }} & {\text { c. } m \text { -diethylbenzene }} \\ {\text { b. } p \text { -di-tert-butylbenzene }} & {\text { d. } 1 \text { -phenyl-2-butene }}\end{array} $$
Problem 32
Cumene is the starting material for the industrial production of acetone and phenol. The structure of cumene is Give the systematic name for cumene.
