Compound Y undergoes reaction with alkaline $\text{I}_2$(aq). If the reaction mixture is then acidified, a dicarboxylic acid is formed. The formula of this dicarboxylic acid is $\text{HOOC-R-COOH}$, where R is made up of one or more $\text{CH}_2$ groups. Which compound is Y?
- Apentan-1,4-diol
- Bpentan-1,5-diol
- Cpentan-2,3-diol
- Dpentan-2,4-diol