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It varies. An alkene is a homologous series that repeats itself. Like alkanes, the key feature of an alkene is the carbon-carbon bond. Alkane has a single bond, alkene has a double bond, and alkyne has a triple bond. So the answer is it depends on how many homologs are present.

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Q: How many carbon-carbon double bonds are present in the molecule alkene?
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Related questions

A molecule of alkene has the chemical formula C3H4. How many carbon-carbon double bonds are present in the molecule?

there is one


What molecule has one or more double bonds?

alkene


How many carbon-carbon double bonds are present in a molecule of alkene with the chemical formula C3H4?

H2C = C = CH2 is C3H4 and it has 2 C-carbon double bonds.


Is propene unsaturated?

The propylene (c3H6) molecule contains a double covalent bond, so it is unsaturated.


What piece of information do you need to determine whether a molecule is an alkyne or an alkene?

An alkyne contains a carbon-carbon triple bond while an alkene contains a carbon-carbon double bond.


What is a hydro carbon with double bonds?

An alkene has a double bond between its carbon atomsE.g H2C=CH2 This is an ethene molecule, the simplest of alkenes.


Do alkene contains double bond?

yes alkene contains double bond.


How many hydrogen atoms are there in an alkene molecule with one double bond that contains 7 carbon atoms?

14. The general formula of alkenes is CnH2n so the alkene with 7 carbons is C7H14.


What contains two convalent bonds?

Oxyanions such as sulfate, phosphate and permanganate, any alkene, oxygen molecule are some of the examples for compounds which have double bonds in them.


How can you identify a hydrocarbon is alkane alkene or alkyne?

An alkene will have a double carbon-carbon bond and an alkyne will have a triple.


Can you draw an alkene with 1 carbon atom?

No. At least two carbon must be present to have an alkene.Related Information:Alkenes differ from alkanes, due to the presence of a Carbon to Carbon double bond.The simplest alkene is ethene, commonly called ethylene, with 2 carbon atoms double bonded to each other.


What does the hydrogenation of an alkene gives?

two atoms of hydrogen add to the carbons in a double bond of an alkene to form an alkane.