An alkene $\mathrm{X}$ on ozonolysis gives a mixture of Propan-2-one and methanal. What is $\mathrm{X}$ ?

• A

  Propene
• Correct answer
  B

  2-Methylpropene
• C

  2-Methylbut-1-ene
• D

  2-Methylbut-2-ene

Hence, the correct answer is option: 'B'.