Respuesta :

Alkenes : cnh2n+2

Alkanes : cnh2n

Alkynes : cnh2n-2

hope its helpful...

[tex]alkanes \ \Rightarrow \ C_n H_{2n+2}[/tex]

[tex]alkenes \ \Rightarrow \ C_n H_{2n}[/tex]

[tex]alkynes \ \Rightarrow \ C_n H_{2n-2}[/tex]