When alkanes react with chlorine, chloroalkanes are produced. Which statement about alkane reactions with chlorine is correct?
- AAlkanes react with chlorine by addition.
- BThe gaseous product turns red litmus blue.
- CThe chlorine atom in chloroethane is covalently bonded.
- DThe general formula of the chloroalkanes is $\text{C}_n\text{H}_{2n}\text{Cl}$.