Question # 1

Which one the following a dihydric alcohol

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Ethanol

Cyclo hexanol

Glycerol

Glycol

Which substance is used to convert ethanol to ethyl chloride

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SOCl2

PCl3

PCl5

All of these

Phenol is also known as

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Citric acid

Carbonic acid

Carbolic acid

Maleic acid

The most reactive alcohol when O-H bond breaks is

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Tertiary alcohol

Secondary alcohol

Primary alcohol

Methyl alcohol

Which compound will have the maximum repulsion with water

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C₆H₆

C₂H₅OH

C₃H₇OH

CH₃OCH₃

According to Lewis concept ethers behave as

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Acid

Base

Acid as well as a base

Noe of them

Isopropyl alcohol on oxidation gives

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Acetaldehyde

Acetone

Ether

Propene

Which substance is used for denaturing of ethanol

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Methanol

Acetone

Pyridine

All

Absolute alcohol can be obtained from rectified spirit by

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By adding sodium metal

By extraction

By predistillation in the presence of CaO

Not possible because of azeotropic mixture

Rectified spirit contains alcohol about

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80%

85%

90%

95%

Which substance shows very weak hydrogen bonding with water.

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Methanol

Ethanol

Diethyl ether

Benzene

Phenol can be prepared from chlorobenzene by

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Williamson synthesis

Down's process

Kolbe reaction

Cannizzaro reaction

Which one of the following compounds is the isomer of ethyl alcohol.

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CH3OH

CH4OCH3

CH5-CH(OH)CH3

CH3OC2H5

Phenol on heating with concentrated nitric acid forms

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o-nitrophenol

T.N.T

Na2CO3

Cyclohexanol

Conversion of phenol to benzene is known as.

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Oxidation

Reduction

Hydrolysis

Hydration

Which enzyme is not involved in fermentation of starch.

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Diastase

Zymase

Urease

Invertase

Di ethyl ether can be converted to alcohol by heating with.

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HI

NaOH

Water

KMnO4

Which compound is called a universal solvent.

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H2O

CH2OH

C2H5OH

CH5-O-CH3

The IUPAC name of CH3OCH6H5 is

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Methyl phenyl ether

Methaoxy benzene

Phenoxy methane

methoxy phenyl

Ethanol reacts with Na metal to form sodium ethoxide. What product will be formed when C2H5ONa reacts with methyl bromide.

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C2H5OC2H5

C2H5OCH3

CH3COC2H5

C2H5Br and NaBr

When ethyl bromide is heated with Ag2O the product formed is.

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Ethanol

Ethene

Ethanol

Di ethyl ether

Which compound shows maximum hydrogen bonding with water.

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CH3OH

C2H5OH

CH3-O-CH3

C6H5OH

Which compound will have maximum repulsion with H2O

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C6H6

C2H5OH

CH2CH2CH2OH

CH5-O-OH3

Which compound show hydrogen bonding

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C₂H₆

C₂H₅Cl

CH₃OCH₃

C₂H₅OH

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