Given an alkane, alkene, and an alkyne,

Chemistry
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Given an alkane, alkene, and an alkyne, each of which contains two carbon atoms, which compound will contain the fewest hydorgen atoms?

the alkane

the alkene

the alkyne

none, they all contain the same number of hydrogen atoms

Sep 1st, 2015

Thank you for the opportunity to help you with your question!

The alkyne will contain the fewest hydrogen atoms. 

Take for instance , ethane ( 2CH6)  single covalent bond between carbon( hence the definition of alkaline). 

In addition, look at ethene (2CH4) double covalent bond between the carbons(alkene). This double bond prevents more hydrogens from forming. 


Lastly, look at ethyne ( 2CH2) triple covalent bond between the carbons( alkyne). 


Therfore, the answer is always going to be Alkyne. 

It has the fewest hydrogen atoms.

Answer : Alkyne




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Sep 1st, 2015

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