Question # 1

Rearrangement of an oxime to an amide in the presence of strong acid is called

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Curtius rearrangement

Fries rearrangement

Beckman rearrangement

Aldol condensation

General formula of aliphatic carboxylic acids:

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R---OH

R----COH

R----CO---R

RCOOH

Which of the following is not fatty acid?

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

Carboxylic acids on complete reduction in the presence of HI and red Phosphours gives:

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esters

alcohols

alkanes

aldehydes

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RCH(CH₃)CO₂H + CH₃OH

RCH(CH₃)CO₂H + HCO₂H

RCH(CH₃)OH + CO₂

RCH(CH₃)OH + HCO₂H

The OH group present in acids may be replaced by CI atom on treatment with

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PCI₅

SOCI₂

Both of them

None of the above

With the increase in carbon no. the solubility of carboxylic acids

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Increases

Decreases

Remains same

None of these

The Zwitter ion is also called

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International salt

Internal salt

No salt

None of these

Acetic acid is obtained when

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Methyl alcohol is oxidized with potassium permanganate

Calcium acetate is distilled in the presence of calcium formate

Acetaldehyde is oxidized with potassium dichromate and sulphuric acid

Glycerol is heated with sulphuric acid

Carboxyl group has functional group in it:

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One

Two

Three

Four

General formula of aromatic carboxyl acids

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R---------------OH

RCOOH

RCOR

ARCOOH

In the presence of Aluminium ethoxide, aldehydes get converted into esters. The reaction is known as

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Schmidt reaction

Aldol condensation

Beckmann's rearrangement reaction

Tischenko reaction

Heating a mixture of sodium benzoate and soda lime gives

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Methane

Benzene

Sodium bezoate

Calcium benzoate

Carboxylic acids on complete reduction in the presence of Hi and red phosphorus gives:

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Esters

Alcohols

Alkanes

Aldehydes

The acids obtained by the hydrolysis of fats and oils are called

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Active compound

Fatty acids

Functional group

None

Formic Acid is obtained from Red out by:

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Distillation

Crystallization

Filtration

sublimation

What will happen if LiAIH₄is added to an ester?

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Two units of alcohol are obtained

One unit of alcohol and one unit of acid is obtained

Two units of acids are obtained

None of these

When acetic acid and ethanol react together an ester is formed which is called

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Ethyl ester

Ethanoic acid

Ethyl acetate

Which of the following statements about acetic, anhydride is not correct

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It is immiscible with water but is hydrolysed to give acetic acid

It is prepared by the action of actyl chloride on the sodium salt of acetic acid

it reacts with ammonia to give acetamide

it is a strong acid

The organic compounds containing Ph--OH group are called:

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Phenol

Aldehyde

Ketones

Carboxylic acids

When acetamide reacts with Br₂and caustic soda, then we get

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Acetic acid

Bromoacetic acid

Methyl amine

Ethylamine

Vinegar made form cane sugar, now a days synthetically contains

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Citric acid

Lactic acid

Acetic acid

Palmitic acid

When a carboxylic acid reacts with a metal ______ gas is evolved

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H₂

CO₂

CI₂

None of these

The solution of which acid is use for seasoning of food?

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Formic acid

Acetic acid

Benzoin acid

Butanoic acid

Ethyl acetate is obtained when methyl magnesium iodide reacts with

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Ethyl formate

Ethyl choroformate

Acetyl chloride

carbondioxide

Which of the following is the strongest acid?

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CF₃COOH

CBr₃COOH

CH₃COOH

CCl₃COOH

Of the following four reactions, formic acid and acetic acid differ in which respect?

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Replacement of hydrogen by sodium

Formation of ester with alcohol

Reduction of Fehling solution

Blue litmus reaction

Carboxylic acids having carboxyl group one is called:

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Mono carboxylic acid

Di-carboboxylic acid

Tri carboxilic acid

Tetra carboxylic acid

Ethyl alcohol reacts with acetyl chloride to form

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Ethyl chloride

Acetic acid

Methyleacetate

Ethyleacetate

Hydrolysis of trichloromethane with aqueous KOH gives

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Potassium formate

Acetylene

Chloral

Methanol

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Acidic amino acid

Basic amino acid

Neutral amino acid

None of these

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