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Q.
The reaction of ether with cold HI is called
Rajasthan PETRajasthan PET 2004
Solution:
The reaction of ether with cold HI is known as Zeisel method. It is used in quantitative determination of methoxy group. $ \underset{dimethyl\text{ }ether}{\mathop{C{{H}_{3}}-O-C{{H}_{3}}}}\,+2HI\xrightarrow[{}]{{}}2C{{H}_{3}}I+{{H}_{2}}O $