Question

Iupac name and structure of methyl isopropyl acetylene

Answer 1

It's IUPAC name is 2-methyl-pent-3-yne. It's structure is in the attachment:

Answer 2

Answer : The IUPAC name of methyl isopropyl acetylene, 2,2-dimethylpent-3-yne

Explanation:

The rules for naming of alkyne are :

• First select the longest possible carbon chain.
• The longest possible carbon chain should include the carbons of triple bonds.
• The naming of alkyne by adding the suffix -yne.
• The numbering is done in such a way that first carbon of triple bond gets the lowest number.
• The carbon atoms of the triple bond get the preference over the other substituents present in the parent chain.
• If two or more similar alkyl groups are present in a compound, the words di-, tri-, tetra- and so on are used to specify the number of times of the alkyl groups in the chain.

The given compound name is, methyl isopropyl acetylene.

The IUPAC name of methyl isopropyl acetylene, 2,2-dimethylpent-3-yne

The structure of given compound is shown below.