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