Question # 1

The reaction of sodium with ethanol gives

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CH₃OH

NaH

H₂O

H₂

Diethyl ether is obtained by Williamsons synthesis using

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Ethanol + Na + C₂H₅Br

Ethanol + Mg + C₂H₅Br

Methanol + Na + CH₃Br

Methanol + Mg + CH₃Br

The boiling points of alcohols are higher than the corresponding alkanes, This is because

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Of hydrogen bonding existing between molecules of alcohols

Alkanes are dipolar compounds

Alcohols are sweet in taste

Alcohols are soluble in water

To prepare ethanol by fernentation the optimum temp. is

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10 - 20°C

25 - 30°C

20°C

35°C

Propanone is the product obtained by dehydrogenation of

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2-Propanol

1-Propanol

Isobutyl alcohol

Propanethoil

Which of the following is produced when an aqueous solution of butan-2-ol is refluxed with dil acidified KMnO₄

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Butanol

Butanoic acid

Butanone

Butane

When phenol is reduced in the presence of Zn dust, we get

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Cyclohexene

Cyclohexane

Benzene

Benzyne

Primary and secondary alcohols on action of red hot copper give

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Aldehydes and ketones respectilvely

ketones and aldehydes respectively

Only aldehydes

Only ketones

Picric acid is

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2, 4, 6-Trinitrotoluene

2, 4, 6-Tribomoethanol

2, 4,6-Trinitrophenol

Para-Nitrophenol

Which of the following is an isomer of ethanol

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CH₃OCH₃

C₂H₅OC₂H₅

CH₃OH

C₂H₅OH

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ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test MCQs With Answers

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