Question

составить изомеры для спирта пентанола

Answer 1

CH3-CH2-CH-CH2-CH2-OH

              CH3                       

 

CH3-CH2-CH-CH2-CH2-OH

 

CH3-CH-CH2-CH2-CH2-OH

       CH3

 

CH3-CH2-CH2-CH-CH2-OH

                     CH3

Answer 2

Isomerism of Pentanol

Pentanol is an alcohol with the molecular formula C5H12O. It has several isomers, which are compounds with the same molecular formula but different structural arrangements. Here are the isomers of pentanol:

1. 1-Pentanol: This is the straight-chain isomer of pentanol. It has the hydroxyl group (-OH) attached to the first carbon atom in the chain. The structural formula is CH3(CH2)3CH2OH.

2. 2-Pentanol: This is an isomer of pentanol where the hydroxyl group is attached to the second carbon atom in the chain. The structural formula is CH3CH2CH(OH)CH2CH3.

3. 3-Pentanol: In this isomer, the hydroxyl group is attached to the third carbon atom in the chain. The structural formula is CH3CH2CH2CH(OH)CH3.

4. 2-Methyl-1-butanol: This is an isomer of pentanol with a methyl group (-CH3) attached to the second carbon atom in the chain. The hydroxyl group is attached to the first carbon atom. The structural formula is CH3CH(CH3)CH2CH2OH.

5. 3-Methyl-1-butanol: In this isomer, the methyl group is attached to the third carbon atom in the chain, and the hydroxyl group is attached to the first carbon atom. The structural formula is CH3CH2CH(CH3)CH2OH.

6. 2-Methyl-2-butanol: This isomer has a methyl group attached to both the second and third carbon atoms in the chain. The hydroxyl group is attached to the first carbon atom. The structural formula is CH3C(CH3)2CH2OH.

7. 2,2-Dimethyl-1-propanol: In this isomer, two methyl groups are attached to the second carbon atom, and the hydroxyl group is attached to the first carbon atom. The structural formula is CH3C(CH3)2CH2OH.

These are the main isomers of pentanol. Each isomer has a unique arrangement of atoms, resulting in different physical and chemical properties.