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* For the alkanes, the general formula is CnH2n+2 EXAMPLE: CH4, C4H10 * For the alkenes, the equation is CnH2n EXAMPLE: C2H4 where n is the number of atoms in one molecule of the hydrocarbon.
Wiki User
∙ 14y ago
Wiki User
∙ 11y agoFor mono- and NONcyclic alkenesit is CnH2n
Examples: ethene, propene, but-1-ene, but-2-ene
are (respectively) C2H4, C3H6, C4H8, C4H8
but propa-di-ene is C3H4 !
Wiki User
∙ 12y agoFormula: CnH2n-2
Wiki User
∙ 12y agoAlkane: CnH2n+2
Alkene: CnH2n
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Why are alkenes from alcohols not used on an industrial scale?
Since alcohols are obtained by hydration of alkenes, it is meaningless to manufacture alkenes from alkanes. Moreover, cracking hydrocarbons is a more effective and economical to make alkenes. Shawkat
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