Answer
(a) Hydrocarbons are compounds that only are made up of carbon and hydrogen. There are no other elements involved except carbon and hydrogen.
(b) Cycloalkanes are alkanes whose carbon atoms are joined in rings.
(c)The general formula of acyclic alkanes is $C_{n}H_{2n+1}$.
Work Step by Step
(a) Hydrocarbons are compounds that only are made up of carbon and hydrogen. There are no other elements involved except carbon and hydrogen.
(b) Cycloalkanes are alkanes whose carbon atoms are joined in rings.
(c)The general formula of acyclic alkanes is $C_{n}H_{2n+1}$.