Question # 1

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

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C₂H₆

H₂S

C₂H₅OH

CH₃Cl

The product of fermentation of sucrose is

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Ethanol and H2O

Ethanol and CO

Ethanol and CO2

Glucose and CO2

Isopropyl alcohol on oxidation gives

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Acetaldehyde

Acetone

Ether

Propene

Which compound shows maximum hydrogen bonding with water

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CH₃OH

C₂H₅OH

CH₃- O - CH₃

C₆H₅OH

Which compound is called universal solvent

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CH₃OH

C₂H₅OH

CH₃O CH₃

H₂O

Which compound is more soluble of water

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C2H5OH

C6H5OH

CH3OCH3

n- Hexanol

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

Absolute alcohol is that which is

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100%

95%

Ethanol mixed with methanol

Ethanol mixed with H2O

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

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CH3OH

CH4OCH3

CH5-CH(OH)CH3

CH3OC2H5

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 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

Phenol is the derivative of

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Alkane

Aromatic hydrocarbon

Aliphatic hydrocarbon

Alkene

Methyl alcohol can be distinguished from ethyl alcohol by

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Action of Cl2

Action of NH3

Dissolving in H2O

NaOH +I2

Which one the following a dihydric alcohol

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Ethanol

Cyclo hexanol

Glycerol

Glycol

The most reactive alcohol when O-H bond breaks is

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Tertiary alcohol

Secondary alcohol

Primary alcohol

Methyl alcohol

According to Lewis concept ethers behave as

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Acid

Base

Acid as well as a base

Noe of them

Which substance shows very weak hydrogen bonding with water.

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Methanol

Ethanol

Diethyl ether

Benzene

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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