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Ethanol

Rubbing alcoh...

Question

Rubbing alcohol, used for rubdowns, on its evaporation reduces fever. It is cheaper and has replaced ethanol for this purpose. Its name is:

A

methanol

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B

ethanol

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C

acyl alcohol

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D

isopropyl alcohol

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Solution

The correct option is D isopropyl alcohol
Rubbing alcohol, used for rubdowns, on its evaporation reduces fever. It is cheaper and has replaced ethanol for this purpose. Its name is Isopropyl alcohol. Its IUPAC name is propan-2-ol.

Option D is correct.

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Q. Isopropyl alcohol

C_{3} H_{8}

, also known as rubbing alcohol, is an alcoholic mixture intended for external use as antiseptic. If the two different companies A and B are manufacturing rubbing alcohol of concentrations 47% (v/v) and 23.5% (v/v) respectively from isopropyl alcohol of density x g/mL, find the ratio of mass of isopropyl alcohol present in equal volumes of rubbing alcohol A and B.

Q. Isopropyl alcohol

C_{3} H_{8}

, also known as rubbing alcohol, is an alcoholic mixture intended for external use as antiseptic. If the two different companies A and B are manufacturing rubbing alcohol of concentrations 47% (v/v) and 23.5% (v/v) respectively from isopropyl alcohol of density x g/mL, find the ratio of mass of isopropyl alcohol present in equal volumes of rubbing alcohol A and B.

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