Reaction of an alcohol to produce an alkyl halide

n-butanol reacts with NaBr and H2SO4 to produce n-butyl bromide, via refluxation reaction in a lab experiment. a) Why is an excess of sulphuric acid used? b) Why is concentrated sulphuric acid is more effective than water in removing trace amounts of alcohol to form an alkyl halide? c) What two other organic products may be formed during the reaction?

Oxidation of Cyclohexanol

In an Experiment, Cyclohexanol (secondary alcohol) is oxidized with 5% 0.75M sodium hypocholrite (household bleach)to form Cyclohexanone (Ketone). a. What purpose does Acetic Acid serve in the hypochlorite oxidation of cyclohexanol? b. What advantages does the hypochlorite oxidation offer over conventional methods such as chromium oxidation? c. Chemically, what happens when the KI starch paper gives a positive result?

How do I calculate the number of moles of limonene?

How do I calculate the number of moles of limonene? The mass of the limonene is 0.04 grams.

Functional Class Nomenclature

What are the functional class nomenclature names for these 2 compounds?

Polarizability and Carbocation Stability

Why is this area of concentrated positive charge considered to be destabilizing? It would seem that polar covalent bonds are supposed to be stronger than covalent bonds.