The table gives the melting points and boiling points of four compounds, W, X, Y and Z. These four compounds are silicon(IV) oxide, ethane, bromine and a carboxylic acid with formula $\text{C}_{16}\text{H}_{32}\text{O}_2$. Which row shows the identities of W, X, Y and Z?
- Asilicon(IV) oxide W, ethane X, bromine Z, carboxylic acid $\text{C}_{16}\text{H}_{32}\text{O}_2$ Y
- Bsilicon(IV) oxide W, ethane Y, bromine Z, carboxylic acid $\text{C}_{16}\text{H}_{32}\text{O}_2$ X
- Csilicon(IV) oxide Y, ethane Z, bromine W, carboxylic acid $\text{C}_{16}\text{H}_{32}\text{O}_2$ X
- Dsilicon(IV) oxide Y, ethane Z, bromine X, carboxylic acid $\text{C}_{16}\text{H}_{32}\text{O}_2$ W