Alkanes：練習題

Which statement correctly describes the bonding and saturation of alkanes?

What is the general formula for the homologous series of alkanes?

When one mole of an alkane undergoes complete combustion, it produces exactly 6 moles of water. What is the name of this alkane?

Which products are produced during the complete combustion of an alkane?

Alkanes react with chlorine in a photochemical reaction.
Which statement about this reaction is correct?

Explain what is meant by a saturated hydrocarbon in terms of its bonding.

Describe the type of reaction and the essential condition required when methane reacts with chlorine to form chloromethane.

Methane belongs to the alkane homologous series and undergoes substitution reactions with halogens.
(a) State the essential condition required for methane to react with chlorine gas.
(b) Write the balanced chemical equation for the formation of chloromethane (\( \text{CH}_3\text{Cl} \)) from methane and chlorine.
(c) Explain why this reaction is described as a substitution reaction.

Alkanes are a group of saturated hydrocarbons that are used extensively as fuels.

(a) Define the term hydrocarbon.

(b) State the general formula for the alkane homologous series.

(c) Write the word equation for the complete combustion of methane in a plentiful supply of oxygen.