Question

why are certain compound called hydrocarbons write the general formula of alkanes alkenes and alkynes and also draw the structure of the first member of each series write the name of the reaction that converts alkenes into alkanes and also write a chemical equation to show the necessary condition for the reaction to occur

Answer 1

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Certain compounds which contain only Hydrogen (H) and Carbon (C) are known as hydrocarbons.

General formula for

Alkanes: CnH2n+2

Alkenes: CnH2n

Alkynes: CnH2n-2

The reaction that converts alkenes into Alkanes is addition(hydrogenation)reaction.

Conditions for conversion of Alkenes to Alkanes, catalyst is Nickel and temperature is 300°C.

Note: Hydrogenation is a type of addition reaction.

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