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Industrial Preparation of Ethanol

Write the com...

Question

Write the composition of the following:
(i) methylated spirit
(ii) power alcohol
(iii) spurious alcohol

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Solution

(i) Methylated spirit is composed of ethanol and certain percentage of methanol.
(ii) Power alcohol is a combination of petrol and alcohol in the ratio of 4 : 1, with benzene as a co-solvent.
(iii) Spurious alcohol is composed of ethanol and a high percentage of methanol.

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Q. Write the Molecular Formula and IUPAC name of the following compounds- (i) Methyl alcohol, (ii) Formaldehyde, (iii) Formic acid, (iv) Acetone.

Q. Which of the following statements are correct?
i) Ordinary ethyl alcohol is known as grain alcohol.
ii) Methylated spirit contains rectified spirit.
iii) Absolute alcohol is 100% ethanol.
iv) Rectified spirit is 100% ethanol.

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(I)

, isopropyl alcohol

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tertiary butyl alcohol

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and ethyl alcohol

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for esterification in decreasing order will be:

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