Question

Write the IUPAC names of the following.
a.
b. or `(H_(2)C=CH)_(2)CHCH_(2)CH=CHCH_(3)`
c or `CH_(3)CH=C(NO_(2))CH_(2)CH_(3)`
d
e
f
g

Answer 1

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