Differentiate between alkane, alkyne, alkene and alkyl?


The difference between alkane, alkene, alkyl and alkyne are tabulated below.

Alkane Alkene Alkyl Alkyne
They are hydrocarbons that are joined by single bonds only. Thus called saturated hydrocarbons.  They are joined by at least one double bond between them. They are reactive in nature and are called unsaturated hydrocarbons. They are the hydrocarbons that are formed when one hydrogen molecule is removed from the alkane.  They are unsaturated hydrocarbons that have at least one triple bond between them. 
The general formula is CnH2n+2.  Their general formula (not including cyclic compounds) is CnH2n. The Alkyl group is made from an alkane (a hydrocarbon without multiple bonds) through the removal or loss of a hydrogen atom. The general formula is CnH2n-2
Examples: Methane (CH4) Ethane (C2H6) etc. Examples:  Ethene ( C2H4), Propene (C3H6) etc. Examples: Methyl (CH3), Ethyl (C2H5) are some examples. Examples: Ethyne (C2H2) and Propyne (C3H4), etc.


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