1.

How are simple and mixed ethers prepared using diazomethane.

Answer»

Solution :dimethyl ether is the only SIMPLE ether which can be prepared by the action of diazomethane on methanol in presence of tetrafluoroboric acid (`HBF_(4))`

Reaction of alcohols, other than methanol, with `CH_(2)N_(2)` in presence `HBF_(4)` gives mixed ethers.
`underset("Ethanol")(CH_(3)CH_(2)OH)+:overset(-)(C)H_(2)-overset(+)(N)-=N overset(HBF_(3)) underset("ETHYL methyl ether")(CH_(3)CH_(2)-O-CH_(3))+N_(2)`


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