Question # 1

Which substance shows very weak hydrogen bonding with water.

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Methanol

Ethanol

Diethyl ether

Benzene

The most reactive alcohol when O-H bond breaks is

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Tertiary alcohol

Secondary alcohol

Primary alcohol

Methyl alcohol

Which enzyme is not involved in fermentation of starch.

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Diastase

Zymase

Urease

Invertase

Absolute alcohol is that which is

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100%

95%

Ethanol mixed with methanol

Ethanol mixed with H2O

Ethanol on dehydration can be changed to

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Ethene

Diethyl ether

Both 'a' and 'b'

None of these

Which compound is called a universal solvent.

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H2O

CH2OH

C2H5OH

CH5-O-CH3

The conversion of ethene to ethanol is an example of.

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Hydration

Dehydration

Neutralization

Esterification

Which one is used as debydrating agent for alcohol.

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H2SO4

Al2O3

H3PO4

All of these

The IUPAC name of CH3OCH6H5 is

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Methyl phenyl ether

Methaoxy benzene

Phenoxy methane

methoxy phenyl

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

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HI

NaOH

Water

KMnO4

Methyl alcohol is not used

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As a solvent

As an anti freezing agent

As a substitute for petrol

For denaturing of ethyl alcohol

Phenol is the derivative of

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Alkane

Aromatic hydrocarbon

Aliphatic hydrocarbon

Alkene

Which ether is symmetrical in nature.

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Methyl ethyl ether

Diphenyl ether

Methyl n propyl other

Methoxy benzene

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

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

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C₂H₆

H₂S

C₂H₅OH

CH₃Cl

Which compound show hydrogen bonding

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C₂H₆

C₂H₅Cl

CH₃OCH₃

C₂H₅OH

Phenol is also known as

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Citric acid

Carbonic acid

Carbolic acid

Maleic acid

Which one the following a dihydric alcohol

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Ethanol

Cyclo hexanol

Glycerol

Glycol

Ethanol can be converted into ethanoic acid by.

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Hydrogenation

Hydration

Oxidation

Fermentation

The product of fermentation of sucrose is

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Ethanol and H2O

Ethanol and CO

Ethanol and CO2

Glucose and CO2

Which compound will have the maximum repulsion with water

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C₆H₆

C₂H₅OH

C₃H₇OH

CH₃OCH₃

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

According to Lewis concept ethers behave as

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Acid

Base

Acid as well as a base

Noe of them

Primary, Secondary and tertiary alcohols can be distinguish by.

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Iodoform test

Lucas test

Fehling solution

Ammoniacal silver nitrates

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