Name these:

a) CH2=CH-CH=CH2
b) CH3-CH=CH-C(TRIPLE BOND)CH

c) CH3-CH2-CH2-CH(Cl)-CH(Br)-CH3

1 answer

I'm not an organic chemist; therefore, I'm not up to recent IUPAC standards so you should confirm whatever I write about organic.
I would name these as follows:
1,4-butadiene
1-pentyne-3-ene
2-bromo-3-chlorohexane