A) \[C{{H}_{3}}COOH+{{C}_{2}}{{H}_{3}}OH\xrightarrow{{{H}^{+}}}\]\[\underset{(Esterification)}{\mathop{C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}+{{H}_{2}}O}}\,\]
B) \[C{{H}_{3}}COONa+NaOH\to \underset{(Decarboxylation)}{\mathop{C{{H}_{4}}+N{{a}_{2}}C{{O}_{3}}}}\,\]
C) \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\xrightarrow{NaOH}\underset{(Saponifiation)}{\mathop{C{{H}_{3}}COONa+{{C}_{2}}{{H}_{5}}OH}}\,\]
D) \[C{{H}_{3}}C{{H}_{2}}OH\xrightarrow{acidified\,{{K}_{2}}C{{r}_{2}}O}\underset{(Combustion)}{\mathop{C{{H}_{3}}COOH}}\,\]
Correct Answer: D
Solution :
\[\underset{Ethanol}{\mathop{C{{H}_{3}}C{{H}_{2}}OH}}\,\xrightarrow[heat]{acidified\,{{K}_{2}}C{{r}_{2}}{{O}_{7}}}\underset{Acetic\,acid}{\mathop{C{{H}_{3}}COOH}}\,\] It is an oxidation reaction in which ethanol is oxidized to acetic acid in the presence of acidified potassium dichromate.
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