A hydrocarbon compound Q has the molecular formula $\text{C}_x\text{H}_y$. Q reacts with hydrogen to give one product whose molecular formula is $\text{C}_x\text{H}_{y+2}$. Which statement about Q is correct?
- AQ does not burn in air.
- BQ is a saturated hydrocarbon.
- CQ reacts with bromine to form a single product with molecular formula $\text{C}_x\text{H}_{y-1}\text{Br}$.
- DQ reacts with steam to form a single product with molecular formula $\text{C}_x\text{H}_{y+2}\text{O}$.