Draw the isomers for C2h2

Is this correct?

CH3-CH=CH-CH3

There's only one possible isomer.

2 answers

No. What you have drawn is not an isomer of C2H2 for it doesn't have the formula of C2H2 but C4H8.
I'm doing this for Chem 11, wouldn't it be H-C-C-H with the two Carbons having a triple bond?