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7. Alcohol, phenol and ethers — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistry7. Alcohol, phenol and ethers1 Mark
MCQ
Alcoholic fermentation is brought about by the action of
  • A
    $C{O_2}$
  • B
    ${O_2}$
  • C
    Invertase
  • ✓
    Yeast
✓

Answer

Correct option: D.
Yeast
d
(d)$\text{Glucose}\underset{\text{(From}\,\,\text{yeast)}}{\mathop{\xrightarrow{\text{Zymase}}}}\,2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}$

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