An alcohol having the molecular formula $\text{C}_5\text{H}_{12}\text{O}$ turns warm acidified potassium manganate(VII) from colourless. It also produces a yellow precipitate with alkaline aqueous iodine. What could the alcohol be?
- A2-methylbutan-2-ol
- B3-methylbutan-2-ol
- Cpentan-1-ol
- Dpentan-3-ol