1. Define the following terms: a) Primary alcohol b) Secondary alcohol c) Tertiary alcohol d) Phenol 2. Explain why the water solubilities of alcohols are much higher than those of alkanes with similar molecular masses. 3. Thymol is used to kill fungi, vanillin is a flavoring agent, and tetrahydrocannabinol (THC) is the most active ingredient in marijuana. Circle the phenol group on each structure. thymol vanillin tetrahydrocannabinol 4. Draw the hydrogen bond that forms between two ethanol molecules