which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes?\nidentify the longest…

which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes?\nidentify the longest chain of carbon atoms.\nexamine the multiple bond for cis - and trans - isomers.\nnumber the chain of carbons, starting with the end nearest the multiple bond.\nadd a number prefix indicating the first carbon atom in the multiple bond.

which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes?\nidentify the longest chain of carbon atoms.\nexamine the multiple bond for cis - and trans - isomers.\nnumber the chain of carbons, starting with the end nearest the multiple bond.\nadd a number prefix indicating the first carbon atom in the multiple bond.

Answer

Brief Explanations:

Alkenes can have cis - trans isomers due to restricted rotation around the double bond. Alkynes have a triple bond and linear geometry, so they do not have cis - trans isomerism. Identifying the longest chain, numbering the carbon - chain, and adding a number prefix are common naming steps for both.

Answer:

Examine the multiple bond for cis - and trans - isomers.