Question

what is cumulated diene?

Answer 1

${}\huge{\bold{\red{cumulted \: dienes}}}$


Cumulated dienes have the double bonds sharing a common atom. The result is more specifically called an allene. Conjugated dienes have conjugated double bonds separated by one single bond. ... Unconjugated dienes have the double bonds separated by two or more single bonds.

Answer 2

Answer: When double bonds are present on adjacent carbon atoms.

Explanation:

When two double bonds are present between the carbon atoms, the   unsaturated chemical compound is known as diene. The monomer subunit of complex polymers, diene, is used in industry for various chemical synthesis.

And when the two successive double bonds are present on adjacent carbon atoms, that diene is known as cumulated diene.

Cumulated dienes are also known as Allenes.

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