GKFix MCQ Question

What is the IUPAC name for the alkene with the structure CH3–C(CH3)=CH–CH3?

• A. 3-Methylbut-1-ene
• B. 2-Methylbut-1-ene
• C. 2-Methylbut-2-ene
• D. 3-Methylbut-2-ene