Question # 1

Nitration of phenol gives

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o-nitrophenol

p-nitrophenol

m-nitrophenol

Both o and p-nitrophenol

Dow's process is used for the preparation of

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Ester

Ethers

Alcohols

Phenols

Alcohols are derivatives of:

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Alkanes

Alkens

Alkynes

Benzene

Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch

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Diastase

Maltase

Zymase

Invertase

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1-bromobutane

2-bromobutane

1-bromo-2-methyl propane

2-bromo-2-methyl propane

Taste of lower alcohols is:

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Sweet

Bitter

Our

Salty

How many alcohol (including both structural isomers and stereoisomers) can have the molecular formula C₄H₁₀O

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3

4

5

6

Maximum number of active hydrogens are present in

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Acetic acid

Glycerol

Methane

Methanol

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

Which compound does not show hydrogen bonding with water

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CH₃OH

C₂H₅OH

CH₃- O - CH₃

C₆H₅OH

Which is a reagent for Lucas test

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ZnCl₂+ Conc. HCl

Zn

Na

Br

Either, an organic compound has close resemblance in structure and thus a derivative of:

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Water

Oxides of lithium

Oxides of magnisium

Oxides of aluminium

Which alcohol gives only one oxidation product when wormed with dil acidified K₂Cr₂O₇

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Butan-1-ol

Butan-2-ol

2-methyl propan-1-ol

2-methyl propan-2-ol

When sodium metal reacts with alcohols

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Hydrogen gas evolves

Sodium hydroxide is obtained

Alcohol is reduced

Alcohol is polymerised

C₂H₅OH can be differentiated from CH₃OH by

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Reaction with HCl

Reaction with NH₃

Iodoform test

Solubility in water

Which compound is called a universal solvent?

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H₂O

CH₃OH

C₂H₅OH

CH₃----O---CH₃

Ethyl alcohol may be identified by

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Ring test

Iodoform test

Tollen's test

Bazeyer's test

Alcohols react with carboxylic acid to produce the class of compounds known as

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Grignard's reagent

Esters

Amides

None of these

Mild oxidation of glycerol with H₂O₂/FeSO₄gives

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Glyceraldehyde

Dihydroxy acetone

Glycerose

None

Organic acid without a carboxylic acid group is

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Ascorbic acid

Vinegar

Oxalic acid

Picric acid

Dehydration of ethyl alcohol yields

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Aldehyde

Ketone

Acid

Alkene

Which of the following will not give iodoform test?

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Ethanol

Ethanal

Isopropyl alcohol

Benzyl alcohol

Which of the following is the most suitable method for removing the traces of water from ethanol?

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Reacting with Na metal

Passing dry HCl through it

Distilling it

Reacting with Mg

Dehydration of glycerol give

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Propane

Propene

Acrolein

Benzene

Ethyl alcohol prepared during fermentation is pure:

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20%

10%

11%

12%

When phenol is distilled with zinc dust. It is reduced to

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Benzene

Benzaldehyde

Toluene

Hexanol

Which compound is more soluble in water

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C₂H₅OH

Benzene

CH₃OCH₃

Hexane

Which the increase in carbon number of solubility of an alcohol

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Increases

Decreases

Remains unaffected

None of these

Salol is prepared from

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Salicylic acid and phenol

Salicylic acid and methyl alcohol

Both

None

denaturing of alcohol is done by adding methanol in ethanol:

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10%

20%

30%

40%

Which enzyme is not involved in fermentation of strach

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Diastase

Zymase

Urease

Invertase

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

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