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प्रश्न
What is denatured alcohol?
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उत्तर
Alcohol is made unfit for drinking by mixing some copper sulphate and pyridine in it. This is called denatured alcohol.
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संबंधित प्रश्न
Write resonance structures of aniline. What is the action of benzene diazonium chloride on ethanol?
How do you convert the following:
Ethanol to Propan-2-ol
Give simple chemical test to distinguish between Ethanol and Phenol.
Among the following the one which reacts most readily with ethanol is:
Wood spirit is known as acetone:
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(i) \[\ce{Br2/water}\]
(ii) \[\ce{Na}\]
(iii) Neutral \[\ce{FeCl3}\]
(iv) All the above
Write the IUPAC name of the following compound.
\[\begin{array}{cc}
\phantom{.}\ce{CH3 - CH - CH - CH - CH - CH3}\phantom{}\\
\phantom{......}|\phantom{......}|\phantom{......}|\phantom{.....}|\phantom{........}\\
\phantom{...}\ce{CH3}\phantom{...}\ce{OH}\phantom{...}\ce{C2H5}\phantom{.}\ce{OH}\phantom{...}\end{array}\]
Name the enzymes and write the reactions involved in the preparation of ethanol from sucrose by fermentation.
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The carbon-oxygen bond in phenol is slightly stronger than that in methanol. Why?
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Match the items of column I with items of column II.
| Column I | Column II | |
| (i) | Methanol | (a) Conversion of phenol to o-hydroxysalicylic acid |
| (ii) | Kolbe’s reaction | (b) Ethyl alcohol |
| (iii) | Williamson’s synthesis | (c) Conversion of phenol to salicylaldehyde |
| (iv) | Conversion of 2° alcohol to ketone | (d) Wood spirit |
| (v) | Reimer-Tiemann reaction | (e) Heated copper at 573 K |
| (vi) | Fermentation | (f) Reaction of alkyl halide with sodium alkoxide |
Which reagent can convert acetic acid into ethanol?
Alcoholic fermentation is brought about by the action of
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dilute H2SO4
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3, 3-dimethyl-1-butene was subject to following reactions:

