Question of 87
Q.Pyroligneous acid contains
(a) 2% acetic acid
(b) 50% acetic acid
(c) 10% acetic acid
(d) 20% acetic acid
Bihar BsebBihar Board Intermediate 2022MCQ· 1mImportance★★★★★est
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Start your 14-day free trial to unlock the full solution →Pyroligneous acid (wood vinegar) contains about 10% acetic acid.
When wood is heated in the absence of air (destructive distillation), the aqueous distillate obtained is called pyroligneous acid.
Its approximate composition is:
- Acetic acid ~ 10%
- Methanol (wood spirit) ~ 2.5%
- Acetone ~ 0.5%
- rest is water and tar. …
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