Write the IUPAC names of the following.
b

Explanation

a.
4 -Bromo -3-(1-methyl propyl)-7- methyl -1,5- octadience
4- Bromo -3-( sec - butyl)-7- methyl-1,5- octadience
b.
Choose the longest chain with two `(C=C)`. Three `(C=C)` cannot be taken into a single chain
`3-` Ethenyl -1,-5- heptadience.
c.
Same numbering from both the side position of the double bond and the nitro groups are same from both sides.
d. 5- Ethyl-1-methyl cyclopenta -1,3- diene
e. 1- Cycloproply -3 methyle - pent -1- ene
f. 3- Methylene cyclopent -1-ene
g.
3,3-Diethenyl penta `-1,40` diene