Give the formulas for five organic substances that have no isomers.

We write down compounds that have no isomers.

CH4 – this compound is called methane. Belongs to the class of alkanes.

C2H6 or CH3 – CH3. This compound is called ethane and belongs to the class of alkanes.

C3H8. This compound is called propane. Belongs to the class of alkanes.

C2H4. This compound is called ethene. Belongs to the class of alkenes.

All of the listed compounds have no isomers.

Isomers. The phenomenon consisting in the existence of chemical compounds – isomers – identical in atomic composition and molecular weight, but differing in the structure or arrangement of atoms in space and, as a result, in properties.



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