Compare the proportion of carbon and hydrogen atoms in ethane, ethene and ethyne. Which compound is most unsaturated with hydrogen?

Monjur Alahi

Compare the proportion of carbon and hydrogen atoms in ethane, ethene and ethyne. Which compound is most unsaturated with hydrogen?


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Salim Ahmed Kawsar

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Ethane 

C : H = 2 : 6 = 1 : 3 

Ethene 

C : H = 2 : 4 = 1 : 2 

Ethyne 

C : H = 2 : 2 = 1 : 1

From the above proportion it is clear that ethyne with 1 : 1 ratio of C : H is most unsaturated with hydrogen (50%) as compared to ethane (25%) and ethene (33.33%).

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