Write IUPAC names of the following compounds : (a) `CH_(3)CH=C(CH_(3))_2`
(b) `CH_(2)=CH-C-=C-CH_(3)`
(c )
(d)
(e )
`{:(CH_(3)(CH_(2))_4CH(CH_(2))_3CH_(3)),(" "|),(" "CH_(2)-CH(CH_(3))_2):}`

Answer

(a) 2-Methyl-but-2-ene`" "`(b)Pent-1-ene-3-yne
(c ) Buta-1,3-diene`" "` (d) 4-Phenylbut-1-ene
(e ) 2-Methylphenol `" "` (f) 5-(2-Methylprophyl)-decane
(g) 4-Ethyldeca-1,5,8-trine

Explanation

(a)
`H_(3)overset(4)C-overset(3)CH=overset(2)underset(CH_(3))underset(|)C-overset(1)CH_(3)`
IUPAC name: 2-Methylbut-2-ene
(b) `overset(1)CH_(2)=overset(2)CH-overset(3)Cequivoverset(4)C-overset(5)CH`
IUPAC name: Pen-1-ene-3-yne

`H_(2)overset(1)C=overset(2)CH-overset(3)CH=overset(4)CH`
IUPAC name: 1, 3-Butadiene or Buta-1,3-diene

IUPAC name: 4-Phenyl but-1-ene

IUPAC name: 2-Methyl phenol

IUPAC name: 5-(2-Methylpropyl)-decane
`overset(10)CH_(3)-overset(9)CH=overset(8)CH-overset(7)CH_(2)-overset(6)CH=overset(5)CH-underset(C_(2)H_(5))underset(|)overset(4)CH-overset(3)CH_(2)-overset(2)CH-overset(1)CH_(2)`
IUPAC name: 4-Ethyldeca-1, 5, 8-triene