Respuesta :

Answer:

The answer to your question is: 1.21 A°

Explanation:

Ethene has 1 double bond between its carbons and a single bonds between Carbon and Hydrogens

Structure of ethene

                                H₂C = CH₂

The length of single bonds is 1.42 A°                                    

The length of double bonds is 1.21 A°

The length of triple bonds is 1.10 A°