A) coupling
B) etherification
C) oxidation
D) esterification
Correct Answer: B
Solution :
In presence of \[NaOH\] or \[KOH\], phenol reacts with alkyi halide and gives phenolic ether . \[{{C}_{6}}{{H}_{5}}OH+NaOH\xrightarrow[-{{H}_{2}}O]{}{{C}_{6}}{{H}_{5}}O-Na\] \[\xrightarrow[-NaX]{RX}{{C}_{6}}{{H}_{5}}-O-R\] Vapours of \[{{C}_{6}}{{H}_{5}}OH\]and \[C{{H}_{3}}OH\], with red hot \[Th{{O}_{2}}\] (tnbria) give anisole (phenolic ether). \[{{C}_{6}}{{H}_{5}}OH+C{{H}_{3}}OH\xrightarrow[\Delta ]{Th{{O}_{2}}}\underset{anisole}{\mathop{{{C}_{6}}{{H}_{5}}C{{H}_{3}}}}\,+{{H}_{2}}O\]
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