What is a hydrocarbon?A.A molecule containing only carbon as a solidB.A molecule containing carbon, oxygen, and hydrogenC.A molecule containing only carbon and oxygenD.A molecule containing only carbon and hydrogen

Hydrocarbons are compounds that contain only the elements and .

1 What do you understand by the term hydrocarbon?2 All living organisms are composed of compoundswhich contain carbon. Why do you think carbonchemistry is often called ‘organic chemistry’?3 List the main fractions obtained by separatingthe petroleum mixture and explain how they areobtained in a refinery.4 Which of the fractions obtained from petroleumcould be used for producing:a waxesb fuel for aeroplanesc polymers?5 Describe how the properties of fractions obtainedfrom petroleum change as they are collected in afractionating column from the bottom to the top ofthe column, in terms of their:a chain lengthb volatilityc viscosityd boiling po

What is nonane?A.A hydrocarbon molecule containing seven carbon atoms and only single bondsB.A hydrocarbon molecule containing nine carbon atoms and only single bondsC.A hydrocarbon molecule containing nine carbon atoms and eight single bondsD.A hydrocarbon molecule containing seven carbon atoms and six double bonds

Alkanes and alkenes are both series of hydrocarbons.(a) (i) Explain the term hydrocarbon................................................................................................................................................................................................................................................................... [1](ii) What is the difference between these two series of hydrocarbons?..............................................................................................................................................................................................................................................

Which of the following statements about hydrocarbons is/are false?Group of answer choicesHydrocarbons are inorganic compounds.Hydrocarbons contain only carbon and hydrogen atoms.Hydrocarbons consist of atoms linked by single, double, and/or triple bonds.Hydrocarbons can form straight, branched, or ringed structures.