urgent!! dau coroana!!!
![Urgent Dau Coroana class=](https://ro-static.z-dn.net/files/df2/9aafc15f1275b22ac16f5cbe84629c01.png)
Explicație:
a) 1.HC ≡C-CH(CH2-CH3)-CH3 - >3 metil-1 pentina
2.CH ≡C-(CH3)C(CH3)-CH3-> 3,3dimetil-1 butina
3.CH3-CH2-C ≡C-CH3-> 2 pentina
4.HC ≡C-CH2-CH2-CH3->1-pentina
b) (1),(2),(4) pot forma acetiluri