In case of homologous series of alkanes, which one of the following statements is incorrect?
A. The numbers of the series have the general formula `C_nH_(2n+2)`, when n is an integar
B. The difference between any two successive member of the series corresponds to 14 units of relative atomic mass
C. The member of the series are isomers of each other
D. The members of the series have similar chemical products