Question # 1

Which one of the following correctly describes the acid properties of phenol

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Stronger than HCI

Stronger than carboxylic acid

An acid stronger than carbonic acid

An acid weaker than carboxylic acid

Ethanol can be converted into ethanoic acid by

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Hydrogenation

Hydration

Oxidation

Fermentation

Alcohols reacts with Grignard reagent to form

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Alkanes

Alkenes

Alkynes

All

Glucose in the presence of zymase is converted into

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Alcohol

Acid

Ethyl alcohol

Ketone

According to Lewis concept ethers behave as:

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Acid

Base

Acid as well as a base

None of them

Alcohol fermentation is brought about by the action of

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CO₂

O₂

Invertase

Yeast

Which bond shows maximum hydrogen bonding with water?

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CH₃OH

C₂H₅OH

CH₃----O----CH₃

C₆H₅OH

When alcohol reacts with concentreated H₂SO₄intermediate compound formed as

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carbonium ion

alkoxy ion

alkyl hydrogen sulphate

non of these

Maximum number of active hydrogens are present in

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Acetic acid

Glycerol

Methane

Methanol

Which statement in not correct about alcohol?

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Ethyl alcohol is heavier than water

Ethyl alcohol ecaporates more quickly

Alcohol with less number of carbon atoms is more soluble in water than alcohol with more number of carbons atoms

Alcohol produces H₂by reaction with sodium metal

When phenol is distilled with zinc dust. It is reduced to

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Benzene

Benzaldehyde

Toluene

Hexanol

The reaction of aromatic acyl chloride and phenol in the presence of a base NaOH or pyridine is called

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Kolbe's reaction

Perkin's reaction

Sandmeyer's reaction

Schotten Baumann reaction

Which of the following compound is known as oil of winter green?

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Phenyl benzoate

Phenyl salicylate

Phenyl acetate

Methyl salicylate

Which compound is called a universal solvent?

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H₂O

CH₃OH

C₂H₅OH

CH₃----O---CH₃

The organic compounds which are derivative of hydrocarbons of oxygen are:

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Carbohydrates

Phenols

Alcohals

All of these

Use of ethanol as:

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Drink

Solvent and fuel

In beverage

All of these

The organic compound, alcohols are much closer to, in structure and hence is also called its derivative:

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Water

Oxidizes of lithium oxides

Oxidizes of magnesium

Oxidizes of aluminium

Dehydration of glycerol give

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Propane

Propene

Acrolein

Benzene

Which of the following is used as anesthetics

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Alcohol

Diethylether

Phenol

Dimethyl ether

Which structure shows a tertiary alcohol

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CH₃CH₂OH

(CH₃)₂CHOH

(CH₃)₃COH

CH₂OH

Which compound contains - OH in their molecule

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Alcohol

Phenol

Alcohol and phenol

Ether

Which of the following will not give iodoform test?

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Ethanol

Ethanal

Isopropyl alcohol

Benzyl alcohol

Phenol was discovered by:

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Hofmann

Runge

Henderson

Bakelite

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

General formula of alcohol is:

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ROH

Ar-OH

R-O-R

Ph-OH

Which of the following is weakly acidic in nature

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Alcohol

Phenol

Aidehyde

Amide

Phenol is used in the preparation of

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Bakelite

Phenatherene

Cellulose

All of these

denaturing of alcohol is done by adding methanol in ethanol:

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10%

20%

30%

40%

Which one is primary alcohol?

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Buten-2-ol

Propan-2-ol

Butaon-1-ol

2,3-Dimethylhexane-4-ol

The test used for the detection of ethanol in the mouth of a drunk driver is that the drunk driver is asked to blow air from mouth into a solution of K₂Cr₂O₇and H₂SO₄. The colour changes, if the driver is drunk

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From orange to green

From pink to green

From orange to colorless

From pink to colorless

Which of the following statements is correct?

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Phenol is less acidic than ethyl alcohol

Phenol is more acidic than ethanol

Phenol is more acidic than carbonic acid

Phenol is more acidic than CH₃COOH

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