Question

Give the IUPAC names of the following:



b)
H2C=CH-CH2-OH​

Answer 1

Answer:

but-3-ene-1 ol

Explanation:

this is the iupac name

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Answer 2

Answer:

Prop-2-ene-1-ol.

Explanation:

To write the IUPAC name of a compound, the following things must be first identified they are:

1. Substituents whose name must be written as prefix of the compound.
2. Number of carbons.

3)Nature of bond

4)Functional group whose name must be written as suffix of the compound.

Accordingly, when the given structure is examined, it gives the following details:

1)No substituents group is present.

2)There are 3 carbon atoms present in the chain. Thus the root word is '-Prop'.

3)Between the second and third carbon double bond is present the nature of bond is '2-ene'.

4)The functional group attached at the first carbon atom is '-OH' which is an alcohol. Thus the suffix is '1-ol'.

• Thus the IUPAC name of H2C-CH-CH2-OH  is Prop-2-ene-1-ol.