Question # 1

Hydrolytic coversion of sucrose into glucose and fructose is known as

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Induction

Inversion

Insertion

Inhibition

Either, an organic compound has close resemblance in structure and thus a derivative of:

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Water

Oxides of lithium

Oxides of magnisium

Oxides of aluminium

Which compound is called a universal solvent?

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H₂O

CH₃OH

C₂H₅OH

CH₃----O---CH₃

Which of the following is an isomer of ethanol

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CH₃OCH₃

C₂H₅OC₂H₅

CH₃OH

C₂H₅OH

Which compound has the maximum repulsion with water?

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C₆H₆

C₂H₅OH

CH₃CH₂CH₂OH

CH₃----O---CH₃

Which alcohol gives only one oxidation product when wormed with dil acidified K₂Cr₂O₇

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Butan-1-ol

Butan-2-ol

2-methyl propan-1-ol

2-methyl propan-2-ol

Compound X has molecular formula C₁₀H₁₄O and is unreactive towards mild oxidising agents. What is the structure of the compound formed by dehydration of X

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Which more acidic?

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o-cresol

p-nitrophenol

phenol

m-cresol

Which one of the following reacts immediately with conc. HCI in the presence of ZnCI₂

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Primary alcohol

Secondary alcohol

Tertiary alcohol

Ether

Which compound shows hydrogen bonding

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C₂H₆

C₂H₅CI

CH₃-O-CH₃

C₂H₅OH

Absolute alcohol is obtained by adding rectified apirit in alcohol:

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Water

Na₂CO₃

NaOH

CaO

Ethanol can be converted into ethanoic acid by

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Hydrogenation

Hydration

Oxidation

Fermentation

Which of the following is the most suitable method for removing the traces of water from ethanol?

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Reacting with Na metal

Passing dry HCl through it

Distilling it

Reacting with Mg

C₂H₅OH can be differentiated from CH₃OH by

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Reaction with HCl

Reaction with NH₃

Iodoform test

Solubility in water

Oxidation of methyl alcohol gives

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Formaldehyde

Acetone

Ester

Acid

An organic compound will decolorise dill acidified (aq) KMnO₄on warming, but will not decolorise bromine water. What is the compound

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KMnO₄

Ethanol

Ethane

CH₃CH₂Cl

Taste of lower alcohols is:

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Sweet

Bitter

Our

Salty

The only alcohol that can be prepared by the indirect hydration of alkene is

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ethyl alcohol

propyl alcohol

isobutyl alcohol

methyl alcohol

Derivative of water is:

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Alcohals

Phenols

Either

Phenol

Which compound shows hydrogen bonding

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C₂H₆

C₂H₅CI

CH₃- O - CH₃

C₂H₅OH

Rectified spirit contains alcohol about

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80%

85%

90%

95%

3 moles of ethanol react with one mole of phosphorus tribromide to from 3 moles of bromoethane and on mole of X. Which of the following is X?

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H₃PO₄

H₃PO₂

HPO₃

H₃PO₃

The malt-sugar in the presence of yeast or invertase gives

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Fructose

Glucose

Lignin

Alcohol

When sodium metal reacts with alcohols

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Hydrogen gas evolves

Sodium hydroxide is obtained

Alcohol is reduced

Alcohol is polymerised

Alcohals can be distinguished using test:

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Lucas

Tollen's

Koib's

William's

Ethanol can be converted into ethanoic acid :

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Hydrogenation

Hydration

Oxidation

Fermentation

Na reacts with phenol to produce

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H₂gas

Benzene

CO₂gas

CO gas

Which bond shows maximum hydrogen bonding with water?

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CH₃OH

C₂H₅OH

CH₃----O----CH₃

C₆H₅OH

Dow's process is used for the preparation of

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Ester

Ethers

Alcohols

Phenols

A compound of the formula C₄H₁₀O_{reacts with sodium and undergoes oxidation to give a carbonyl compound which does not reduce Tollen's reagent, the original compound is}

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Diethyl ether

n-Butyl alcohol

Isobutyl alcohol

sec-Butyl alcohol

denaturing of alcohol is done by adding methanol in ethanol:

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10%

20%

30%

40%

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ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test MCQs With Answers

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