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Q.
In Williamson's synthesis, ethoxyethane is prepared by:
BHUBHU 2005
Solution:
All the reactions given as choices , and are different methods of preparation of ethoxyethane but only the following is called Williamson synthesis. Williamson synthesis
$ \underset{sod.\,ethoxide}{\mathop{{{C}_{2}}{{H}_{5}}ONa}}\,+\underset{Ethyl\,bromide}{\mathop{{{C}_{2}}{{H}_{5}}Br}}\,\xrightarrow{{}} $
$ \underset{Ethoxy\text{ }ethane}{\mathop{{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}+NaBr}}\, $
$ {{C}_{2}}{{H}_{5}}OH\xrightarrow[{}]{A{{l}_{2}}{{O}_{3}}}{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}} $
$ {{C}_{2}}{{H}_{5}}OH\xrightarrow[\Delta 430-440]{{{H}_{2}}S{{o}_{4}}}{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}} $
$ {{C}_{2}}{{H}_{5}}OH\xrightarrow[{}]{A{{g}_{2}}O}{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}} $
Above , and are the methods of preparing ethoxy ethane but not the Williamson's synthesis method.