The diagram illustrates the structures of three halogenoalkanes P, Q and R. All three, P, Q and R, are capable of hydrolysis. Which row is correct?
- AQ fast, R slow; P $\text{S}_\text{N}1$, Q $\text{S}_\text{N}2$
- BQ fast, R slow; P $\text{S}_\text{N}2$, Q $\text{S}_\text{N}1$
- CQ slow, R fast; P $\text{S}_\text{N}1$, Q $\text{S}_\text{N}2$
- DQ slow, R fast; P $\text{S}_\text{N}2$, Q $\text{S}_\text{N}1$