question_answer 42)

Write the mechanism of the reaction of HI withmethoxymethane. Steps involved in this process are (i) protonation (ii) formation of methanol and iodomethane.  

Answer:

When equimolar amounts of HI and methoxymethane aretaken, a mixture of methyl alcohol and iodomethane are formed, Mechanism                 Step I   Step II   In HI is present in excess,  formed in step II is further converted into . Step III Step IV