Four organic compounds, W, X, Y and Z, have the molecular formulae below. W: $\text{C}_3\text{H}_8\text{O}$, X: $\text{C}_3\text{H}_6$, Y: $\text{C}_4\text{H}_8\text{O}_2$, Z: $\text{C}_6\text{H}_{14}$ Which of the statements concerning compounds W, X, Y and Z is correct?
- AW and Z could both be alcohols.
- BY is the only compound that could be a carboxylic acid.
- CW is a hydrocarbon.
- DX is ethene.