Statement - $I$: High concentration of strong nucleophilic reagent with secondary alkyl halides which do not have bulky substituents will follow $\mathrm{S}_{\mathrm{N}} 2$ mechanism.
Statement - $II$: A secondary alkyl halide when treated with a large excess of ethanol follows $\mathrm{S}_{\mathrm{N}} 1$ mechanism.
In the the light of the above statements, choose the most appropriate from the questions given below:
- AStatement $I$ is true but Statement $II$ is false
- B.Statement $I$ is false but Statement $II$ is true.
- CBoth statement $I$ and Statement $II$ are false.
- ✓Both statement $I$ and Statement $II$ are true.

