Question

У молекулах яких вуглеводнів всі зв'язки одинарні? а)алкани б)алкени в)алкіни г)арени

Answer 1

Ответ:

а)алкани...............,..

Answer 2

А)алкани
В них тільки Пі-зв’язки
В інших по кілька як Пі,так Сигма зв’язків

Answer 3

Types of Hydrocarbons and Their Bonding

In hydrocarbons, the type of bonding can vary depending on the specific class of the compound.

Alkanes: - Alkanes are saturated hydrocarbons, meaning they contain only single bonds between carbon atoms. - The general formula for alkanes is CnH2n+2. - For example, methane (CH4) and ethane (C2H6) are alkanes.

Alkenes: - Alkenes are unsaturated hydrocarbons, containing at least one carbon-carbon double bond. - The general formula for alkenes is CnH2n. - For example, ethene (C2H4) and propene (C3H6) are alkenes.

Alkynes: - Alkynes are also unsaturated hydrocarbons, but they contain at least one carbon-carbon triple bond. - The general formula for alkynes is CnH2n-2. - For example, ethyne (C2H2) and propyne (C3H4) are alkynes.

Arenes: - Arenes, also known as aromatic hydrocarbons, are a class of hydrocarbons that contain one or more benzene rings. - Benzene rings are composed of a series of carbon-carbon double bonds and single bonds in a six-membered ring structure.

Conclusion

In summary, all single bonds are found in alkanes among the given options of hydrocarbons. Alkenes contain at least one double bond, alkynes contain at least one triple bond, and arenes contain a combination of single and double bonds within the benzene ring structure.