Which of the following can be used for alcohol denaturing:
Correct answer: D. All of these
- A. Methanol
- B. Acetone
- C. Pyridine
- D. All of these
Explanation
Denatured alcohol is poisonous to user. Methanol, acetone and pyridine all can be added to make it poisonous. Sometimes ethanol is denatured by addition of 10% methanol to avoid its use for drinking purposes. Such alcohol is called methylated spirit. A small quantity of pyridine or acetone may also be added for this purpose.
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About Alcohols and Phenols
Alcohols are classified as primary, secondary or tertiary and studied through their hydrogen bonding, acidity, oxidation and reactions with active metals, acids and halogenating agents. Phenols require separate treatment because the hydroxyl group is attached to an aromatic ring, making their acidity and electrophilic substitution different from ordinary alcohols.
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