Question # 1

Ethanol on dehydration can be changed to

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Ethene

Diethyl ether

Both 'a' and 'b'

None of these

When ethyl alcohol is heated, with NH3 in presence of ThO2 then

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O-H bond is broken

C-O bond is broken

Ethene is formed

Ethane is formed

Alcohol obtained by fermentation is only upto

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10%

12%

20%

95%

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

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Ethanol

Ethene

Ethanol

Di ethyl ether

The product of fermentation of sucrose is

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Ethanol and H2O

Ethanol and CO

Ethanol and CO2

Glucose and CO2

Phenol is also known as

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Citric acid

Carbonic acid

Carbolic acid

Maleic acid

Which one is used as debydrating agent for alcohol.

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H2SO4

Al2O3

H3PO4

All of these

Which enzyme is not involved in fermentation of starch

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Zymase

Urease

Invertase

Diastase

Which compound is called universal solvent

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CH₃OH

C₂H₅OH

CH₃O CH₃

H₂O

Zymase can be used to convert glucose to

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Carbon and steam

CO2 and hydrogen

CO2 and Ethanol

Ethanol and water

Phenol after reduction with hydrogen changes to

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Picric acid

Benzene

Cyclohexane

Cyclohexanol

Conversion of phenol to benzene is known as.

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Oxidation

Reduction

Hydrolysis

Hydration

Bakelite is obtained from phenol by reacting with

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Acetal

Ethanal

Formaldehyde

Methanol

The conversion of ethanol to ethene is an example of.

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Dehydration

Hydration

Hydrogenation

Fermentation

----------- compound shows extensive hydrogen bonding with water

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C₂H₆

H₂S

C₂H₅OH

CH₃Cl

Which substance shows very weak hydrogen bonding with water.

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Methanol

Ethanol

Diethyl ether

Benzene

Phenol on heating with concentrated nitric acid forms

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o-nitrophenol

T.N.T

Na2CO3

Cyclohexanol

Which one of the following methods is used for the preparation of ether.

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Kolbe's reaction

Frankland reaction

Williamson synthesis

Down's process

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