Question

The general molecular formula of alkeneis……….​

Answer 1

Answer:

Since a double bond requires two carbon atoms, the simplest alkene is C2H4 or H2C=CH2, ethene. The presence of a double bond is indicated by the change of ending from -ane to -ene. An older form of the name, ethylene, is used in chemical industry. The general formula is CnH2n.

Explanation:

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Answer 2

Answer:

Alkynes generally have slightly higher boiling points than alkenes. Alkanes have the general molecular formula CnH2n+2.  The presence of a double bond compound's structure causes there to be two fewer hydrogen atoms in the molecule than there are in an alkane with the same number of carbon atoms.

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