Assertion (A): Methoxyethane reacts with HI to give ethanol and iodomethane. Reason (R): Reaction of ether with HI follows SN2 mechanism. Which of the following is correct?
1) Both assertion (A) and reason (R) are true, and reason (R) is the correct explanation of assertion (A).
2) Both assertion (A) and reason (R) are true, but reason (R) is not the correct explanation of assertion (A).
3) Assertion (A) is true, but reason (R) is false.
4) Assertion (A) is false, but reason (R) is true.