Question 1
Identify the following compound expected to be the most soluble in butane, CH
3CH
2CH
2CH
3?

◦ I
◦ II
◦ III
◦ IV
◦ V
Question 2
Amino acids are the building blocks of proteins. Which statement best describes the physical properties of the following amino acid?

◦ large dipole moment and no hydrogen bonding
◦ high melting point and large dipole moment
◦ low solubility in water and small dipole moment
◦ small dipole moment and hydrophobic
◦ high melting point and low solubility in water