Question

What Is IUPAC Name of ${\mathrm{CH}}_2={\mathrm{CH}}_2$?

Answer 1

IUPAC System

• Find the carbon chain that is the longest.
• All of the substituents must be identified.
• From the end of the parent chain, count the carbons until the substituents have the lowest number.
• A prefix (di, tri, tetra, etc.) indicates how many times a substituent group appears.
• A suffix or other element(s) indicates the presence of functional groups in the compound.
• If there are two or more substituents, they are listed alphabetically by base name.

IUPAC Name of ${\mathbf{CH}}_{\mathbf{2}}\mathbf{=}{\mathbf{CH}}_{\mathbf{2}}$

• The IUPAC name of ${\mathrm{CH}}_2={\mathrm{CH}}_2$ is Ethene.
• It is an alkene with the molecular formula ${\mathrm{C}}_2{\mathrm{H}}_4$.