A) \[C{{H}_{3}}COOH\]
B) \[C{{H}_{3}}C{{H}_{2}}COOH\]
C) \[HCOOH\]
D) \[{{C}_{6}}{{H}_{5}}COOH\]
Correct Answer: A
Solution :
Vinegar is a 7 to 10 per cent aqueous solution of \[C{{H}_{3}}COOH.\]It can be commercially obtained from molasses or sugarcane juice. \[{{C}_{12}}{{H}_{22}}{{O}_{11}}+HOH\xrightarrow[(Invertase)]{}\underset{(Glucose)}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,+\underset{(Fructose)}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[\underset{Glucose\,(Zymase)}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\xrightarrow{Yeast}{{C}_{2}}{{H}_{5}}OH+C{{O}_{2}}+{{H}_{2}}O\] \[{{C}_{2}}{{H}_{5}}OH\xrightarrow[\text{Oxidation}]{\text{Aceto}\,\text{bacter}}C{{H}_{3}}COOH+{{H}_{2}}O\] Hence, the correct option is (a).
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