The compound $Y$ has an $M_r$ of $88$. When it is added to a solution of sodium hydrogencarbonate, no fizzing occurs. It can be hydrolysed by dilute sulfuric acid to give two organic products with $M_r$ values of $46$ and $60$. What is the identity of compound $Y$?
- Abutanoic acid
- Bethyl ethanoate
- C3-hydroxybutanal
- Dbutyl methanoate