What do you mean by alkene ? Give its general formula and two examples

1.	What do you mean by alkene ? Give its general formula and two examples.
Answer» SOLUTION :ALKENES are unsaturated containing at least one double bond. General formula of ALKENE is `C_(n)H_(2N)`. In alkene, there is 1 double bond between carbon. Alkane has 2 hydrogen less than alkane. `{:("Name IUPAC","Structure","Molecular formula",),("Ethene (Ethelene)",CH_(2)=CH_(2),C_(2)H_(4),),("Propene (Propelene)",CH_(3)-CH=CH_(2),C_(3)H_(6),):}`

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