A compound with molecular formula C₅H₁₀ exhibits position isomerism with CH₃CH₂CH₂CH=CH₂ and has a terminal double bond.
CH₂=CHCH(CH₃)CH₃ (3-methylbut-1-ene) is a chain isomer with a terminal double bond.
Ref: NCERT Class 11 Chemistry > Chapter 8: Organic Chemistry - Some Basic Principles and Techniques > Topic: Isomerism - Structural Isomerism - Chain Position Functional Metamerism