The structures of four hydrocarbons are shown below:

ICSE Class 10 Chemistry PYQ · 2026 Specimen · Section A

1(ix)1 Mark · 2026 · Section A · 2026 Specimen

The structures of four hydrocarbons are shown below:

The structures of four hydrocarbons are shown below: ICSE 2026 Specimen Chemistry Solved Question Paper.

How many isomers of butene are shown in the above structures?

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Reason — Among the four hydrocarbon structure show, structure 3 and 4 are isomers of butene. Structure 3 is But-1-ene and structure 4 is 2-methyl propene.

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