# 2pilihanWhich of the following is the correct IUPAC name for a branched alkane with the structure CH3−CH(CH3)−CH2−CH3?2-methylbutane3-methylbutanePentaneIsobutane
# 3pilihanWhat type of reaction occurs when alkanes react with chlorine in the presence of UV light?CombustionFree radical substitutionAdditionElimination
# 4pilihanWhich of the following has the highest boiling point?2-methylpropaneButane2,2-dimethylpropanePentane