Question # 1

Which compound is more soluble in water

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C₂H₅OH

C₆H₅OH

CH₃COCH₃

n - hexanol

The most reactive alcohol when O-H bond breaks is

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Tertiary alcohol

Secondary alcohol

Primary alcohol

Methyl alcohol

Rectified spirit contains alcohol about

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80%

85%

90%

95%

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

Which ether is symmetrical in nature.

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Methyl ethyl ether

Diphenyl ether

Methyl n propyl other

Methoxy benzene

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

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CH3OH

CH4OCH3

CH5-CH(OH)CH3

CH3OC2H5

Ethanol on dehydration can be changed to

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Ethene

Diethyl ether

Both 'a' and 'b'

None of these

Zymase can be used to convert glucose to

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Carbon and steam

CO2 and hydrogen

CO2 and Ethanol

Ethanol and water

Which condition are not suitable for the growth of enzymes.

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Temperature between 25 ^oC to 37 ^oC

Solution must be dilute

Environment must be aerated

Some preservative should be present in solution

Which compound is called a universal solvent.

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H2O

CH2OH

C2H5OH

CH5-O-CH3

According to Lewis concept ethers behave as

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Acid

Base

Acid as well as a base

Noe of them

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

The IUPAC name of CH3OCH6H5 is

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Methyl phenyl ether

Methaoxy benzene

Phenoxy methane

methoxy phenyl

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

The correct name of CH3-CH= CH2-OH is

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2-buten -4 -ol

3-buten-I-ol

2-Buten -I-ol

Ethylene glycol

Ethanol on oxidation in the presence of K2Cr2O7 and Conc. H2SO4 changes to.

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Acetaldehyde

Ethane

Ethene

CO2 and H2O

According to Lewis concept, ethers behave as

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Acid

Base

Nucleophile

Solvent

Alcohol obtained by fermentation is only upto

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10%

12%

20%

95%

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 the derivative of

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Alkane

Aromatic hydrocarbon

Aliphatic hydrocarbon

Alkene

In t-butyl alcohol, the tertiary carbon is bonded

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Three hydrogen atoms

Two hydrogen atoms

One hydrogen atom

No hydrogen atom

Phenol can be prepared from chlorobenzene by

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Williamson synthesis

Down's process

Kolbe reaction

Cannizzaro reaction

Which compound shows hydrogen bonding.

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C2H6

C2H5Cl

CH3-O-CH3

C2H5OH

Phenol on heating with concentrated nitric acid forms

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o-nitrophenol

T.N.T

Na2CO3

Cyclohexanol

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