Alkynes

Front

Which statement best defines alkynes in organic chemistry?

Back

Unsaturated hydrocarbons containing C≡C bond

Front

What is the general molecular formula for a straight-chain alkyne with n carbons?

Back

CnH2n−2

Front

Ethyne is the simplest alkyne. Which formula represents ethyne?

Back

C2H2

Front

When one hydrogen is removed from an alkyne, what group is formed, and what is its general formula?

Back

Alkynyl group, CnH2n−3

Front

Which rule has priority when numbering an alkyne carbon chain?

Back

Triple bond gets the lowest locant

Front

Refer to the diagram labeled b: What is the correct IUPAC name for the branched alkyne shown?

Back

4-methyl-2-pentyne

Front

Refer to the diagram labeled c: Choose the correct name for the alkyne with chloro and ethyl substituents.

Back

5-chloro-3-ethyl-1-hexyne

Front

Refer to the diagram labeled d: What is the correct name for the alkyne with two methyl groups?

Back

3,6-dimethyl-4-octyne

Front

Refer to the diagram labeled e: Name the compound with two triple bonds in a five-carbon chain.

Back

1,3-pentadiyne

Front

Refer to the diagram labeled f: What is the correct IUPAC name for the branched diyne shown?

Back

5-methyl-1,3-heptadiyne