A) \[C{{H}_{3}}COOH\]
B) \[HCOOH\]
C) \[{{C}_{6}}{{H}_{5}}COOH\]
D) \[C{{H}_{3}}C{{H}_{2}}COOH\]
Correct Answer: A
Solution :
Vinegar is \[7-10%\] aqueous solution of \[\text{C}{{\text{H}}_{\text{3}}}\text{COOH}\text{.}\]It is commercially obtained from molasses O1 sugarcane juice \[{{C}_{12}}{{H}_{22}}{{O}_{11}}+HOH\xrightarrow[(Invertase)]{yeast}\underset{(Glucose)}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[\underset{(Fructose)}{\mathop{+{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[\underset{Glu\cos e}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\xrightarrow[(Zymase)]{yeast}{{C}_{2}}{{H}_{5}}OH+C{{O}_{2}}+{{H}_{2}}O\] \[{{C}_{2}}{{H}_{5}}OH+{{O}_{2}}\xrightarrow[oxidation]{aceto\,bacter}C{{H}_{3}}COOH+{{H}_{2}}O\] Vinegar is used as a flavouring agent as preservative in cooking etc.
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