Dehydration of cyclopentyl carbinol with conc. ${\mathrm{H}}_2\mathrm{S}{\mathrm{O}}_4$ forms

• A

  Cyclopentene
• Correct answer
  B

  Cyclohexene
• C

  Cyclohexane
• D

  none of these

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