Question 13.2:-

Write IUPAC names of the following compounds :

(a) CH3CH=C(CH3)2 (b) CH2=CH-CC-CH3

(b) CH2–CH2–CH=CH2

(c)

(d)

(e)

 

(g) CH3 – CH = CH – CH2 – CH = CH – CH – CH2 – CH = CH2

                                                                  |

                                                             C2H5


(a) 
H3 C4-C3H=C2-C1H3                    |                   CH3
IUPAC name: 2-Methylbut-2-ene
(b) C1H2=C2H-C3=C4-C5H3
IUPAC name: Pen-1-ene-3-yne
(c)  can be written as:
H2 C1=C2H-C3H=C4H2
IUPAC name: 1, 3-Butadiene or Buta-1,3-diene
(d) 2.2
IUPAC name: 4-Phenyl but-1-ene
(e) 
IUPAC name: 2-Methyl phenol
(f)  
2.4               can be written as:
                           
2.6a
IUPAC name: 5-(2-Methylpropyl)-decane
(g) 
2.7a
IUPAC name: 4-Ethyldeca-1, 5, 8-triene