Methanol is produced by reduction of?
- Formaldehyde
- Acetaldehyde
- Propane
- Propanone
Explanation
Simplest alcohol, chemical formula: CH₃OH
- Also known as wood alcohol
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2. Production Method:
- Reduction of Formaldehyde (HCHO)
- HCHO + H₂ → CH₃OH
- Involves adding hydrogen to convert the aldehyde group to an alcohol group
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3. Industrial Production:
- Produced from syngas (CO + H₂) using catalysts
- CO + 2H₂ → CH₃OH
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4. Uses of Methanol:
- As a fuel or fuel additive
- In making formaldehyde, plastics, paints, and solvents
- Used in laboratories and chemical synthesis
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5. Properties:
- Colorless, volatile, toxic liquid
- Burns with a blue flame
Related MCQs
- Temporary water connections
- Underground and permanent water-supply lines
- High-temperature steam lines
- Drainage of rainwater only
اس سوال کو وضاحت کے ساتھ پڑھیں
- 10–20 minutes
- 30–60 minutes
- 2–4 hours
- 12–24 hours
اس سوال کو وضاحت کے ساتھ پڑھیں
- Vertical drop fall
- Glacis fall
- Montague type fall
- Inglis fall
اس سوال کو وضاحت کے ساتھ پڑھیں
آکسیجن زیادہ تر عناصر کے ساتھ عمل کرکے دو عنصری مرکبات بناتی ہے جنہیں کیا کہتے ہیں؟
- Bases
- Oxides
- Acids
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
پانی اور کاربن ڈائی آکسائڈ کے سالمے مل کر کیا بناتے ہیں؟
- Nitric acid
- Carbonic acid
- Sulfuric acid
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
