3. For the following compounds, write the structural formula and IUPAC names of all possible structural isomers having the double bond shown in brackets
a. C4H6 (One triple bond)
b. C5H10 (One double bond)
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a. C4H6 (One triple bond)
The possible structural isomers for C4H6 with one triple bond are:
1. But-1-yne
Structural formula: CH3-C≡C-CH3
2. But-2-yne
Structural formula: CH3-CH2-C≡CH
b. C5H10 (One double bond)
The possible structural isomers for C5H10 with one double bond are:
1. Pent-1-ene
Structural formula: CH3-CH2-CH2-CH=CH2
2. Pent-2-ene
Structural formula: CH3-CH2-CH=CH-CH3
3. 2-Methylbut-1-ene
Structural formula: CH3-C(CH3)=CH-CH3
4. 2-Methylbut-2-ene
Structural formula: CH3-C(CH3)=CH2-CH3
5. 3-Methylbut-1-ene
Structural formula: CH3-CH=C(CH3)-CH3