Which of the following statements is not true?
1
The members of a homologous series show a gradual change in their physical properties with increase in molecular mass.
2
The difference in the molecular masses of any two adjacent homologous is 16 u.
3
All the compounds of a homologous series show similar chemical properties.
4
Any two adjacent homologous differ by 1 carbon atom and 2 hydrogen atoms in their molecular Formulae.