NCERT Class XII Chemistry <br> Chapter - Alcohols, Phenols and Ethers <br> Questions with Solutions

NCERT Class XII Chemistry
Chapter - Alcohols, Phenols and Ethers
Questions with Solutions

Question : 30

Total: 45

Write the mechanism of the reaction of HI with methoxymethane.

Solution:

The reaction between methoxymethane and HI is :

CH3–O–CH3+HI→CH3I+CH3OH

Step I : Generation of oxonium ion : Protonation of ether molecule

Step II : Nucleophilic attack on oxonium ion :

If excess HI is used, methanol formed above reacts with HI to form methyl iodide.

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