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Addition of Halogen Acid for Alkynes

Which of the ...

Question

Which of the following compounds may be classed as a protic solvent?

A

Diethyl ether

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B

n-hexane

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C

Acetone

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D

Ethanol

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Solution

The correct option is D Ethanol
A protic solvent has hydrogen atom bound to an oxygen atom (such as OH group in alcohols) or a nitrogen atom (such as $- N H_{2}$ group in amines). Ethanol $(C H_{3} C H_{2} O H)$ is an alcohol and contains hydroxyl (-OH) group in which hydrogen atom is bound to an oxygen atom. Hence, ethanol is a protic solvent.

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Addition of Halogen Acid for Alkynes

Standard XII Chemistry

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