Organic Chemistry Exam
Questions and Answers
Hydrocarbon - Correct Answers: Any compound that contains only hydrogen and carbon atoms
Alkanes - Correct Answers: Simple type of hydrocarbon. Have C-C single bond. Saturated compounds
from the homologous series
Alkanes Formula - Correct Answers: C(n)H(2n+2)
Alkanes List - Correct Answers: Methane - CH4, Ethane - C2H6, Propane - C3H8, Butane - C4H10,
Pentane - C5H12, Hexane - C6H14, Heptane - C7H16, Octane - C8H18, Nonane - C9H20, Decane -
C10H22
Complete Combustion Equation - Correct Answers: Hydrocarbon + Oxygen > Carbon dioxide + Water
Hydrocarbon Properties - Correct Answers: Shorter length - more runny, more volatile, more flammable,
lower boiling points
Uses Of Hydrocarbons - Correct Answers: ~C3 = liquid petroleum gas
~C8 = petrol
~C15 = kerosene
~C20 = diesel oil
~C40 = heavy fuel oil
Fractional Distillation - Correct Answers: The process of separating different sized hydrocarbons from
crude oil