Respuesta :

Let's check

  • C_4H_6

[tex]\\ \rm\Rrightarrow C_4H_{2(4)-2}[/tex]

[tex]\\ \rm\Rrightarrow C_4H_{8-2}[/tex]

[tex]\\ \rm\Rrightarrow C_4H_6[/tex]

  • It has tripple bond
  • It follows rule C_nH_2n-2
  • Belongs to alkyne group

So

  • It's unstable

Option B