A) 6-10%
B) 70-80%
C) 7-8%
D) 90-100%
Correct Answer: C
Solution :
Vinegar is 7-8% solution, of acetic acid. Acetic acid is commercially prepared from molasses (by product of sugar industry). \[{{C}_{12}}{{H}_{22}}{{O}_{11}}+HOH\xrightarrow[(Invertase)]{yeast}\underset{glu\cos e}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,+\underset{Fructose}{\mathop{{{C}_{6}}{{H}_{12}}{{O}_{6}}}}\,\] \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\xrightarrow[(Zymase)]{yeast}2{{C}_{2}}{{H}_{5}}OH+C{{O}_{2}}\] \[\underset{(air)}{\mathop{{{C}_{2}}{{H}_{5}}OH}}\,+{{O}_{2}}\xrightarrow{acetobacter}C{{H}_{3}}COOH\]
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