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WorksheetsSec 4 Intro to Organic Chem Recap
Total questions: 10
Worksheet time: 5mins
Which substance is a hydrocarbon?
C4H10
C2H5OH
CH3COOH
C3H7NH2
Which of the following is the general formula for alkanes?
CnH2n
CnH2n+2
CnH2n+1OH
CnH2n+1COOH
What is the name of the substance with chemical formula C3H8?
ethane
propane
propene
butene
What is the chemical formula of propene?
C2H4
C2H6
C3H6
C4H8
Which homologous series has the functional group C=C?
alkanes
alkenes
alcohols
carboxylic acids
Which statement about fractional distillation of crude oil is correct?
Each fraction is a pure compound.
The fractions are separated by melting point.
The crude oil is vapourised before entering the fractionating column.
Fractions with higher boiling points rise to the top of the column.
Which crude oil fraction below has the highest boiling point?
petroleum gas
naphtha
lubricating oil
kerosene
Which crude oil fraction below is used to make road surfaces?
petroleum gas
naphtha
lubricating oil
bitumen
Which crude oil fraction below is used as feedstock in the petrochemical industry?
petroleum gas
naphtha
lubricating oil
kerosene
Which crude oil fraction below is used as fuel for aircraft?
petroleum gas
petrol
lubricating oil
kerosene
