Question # 1

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 is not a fatty acid

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

HCOOH reacts with conc. H₂SO₄to produce

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CO

CO₂

NO

NO₂

Tryosine was isolated from

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Butter

Cheese

Oils

Fats

Between CH₃COOH and HCOOH, HCOOH will be

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Less acidic

Equally acidic

More acidic

None

The human body can synthesize ______ amino acids

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1

10

20

19

Hydrolysis of an ester gives a carboxylic acid which on Kolbe's electrolysis yields ethane. the easter is

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Ethyl methonoate

Methyl ethanoate

Propylamine

Ethylamine

Aliphatic carboxylic acids have carboxyl group attached to:

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Alkyl group

Aryl group

Phenyl group

Benzyl lgroup

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

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Phenol

Aldehyde

Ketones

Carboxylic acids

Formic acid is given names from Latin word a "formic" which means:

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Red out

Vinegar

butter

Milk

Vinegar is dilute solution of:

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Acitic acid

Formic acid

Butyric acid

Propionic acid

Carboxylic acids are reduced to in presence of NaAIH₄

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Esters

Acetyl chloride

alcohol

Aldehydes

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

Which of the following is the strongest acid?

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CF₃COOH

CBr₃COOH

CH₃COOH

CCl₃COOH

Which formula represents the organic compound formed by the reaction of propanoic acid with methanol in the presence of concentrated sulphuric acid as a catalyst

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CH₃CH₂COCH₃

CH₃CH₂CO₂CH₃

CH₃CO₂CH₂CH₃

CH₃CH₂CH₂CO₂CH₃

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It decolourises aqueous bromine rapidly

It is insoluble in water

It reduces Fehling's reagent

Two molecules react with each other in the presence of a strong acid

Monocarboxylic acids exist as dimer because of

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Dipole-dipole attraction

Hydrogen bonding

Van der Waals forces

Conhesive forces

Boiling point of acetic acid is ^oC

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116

117

118

119

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

Acetic Acid reacts with PCl₅ giving:

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Acetamid

Acetyl chloride

Alcohol

ether

When hydrogen cyanide is added to an Aldehyde in the presence of ammonia it is called

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Strecker synthesis

Cory house synthesis

Williamson;s synthesis

None of these

Carboxylic acids generally exists in cyclic

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Monomers

Dimers

Trimers

Tetrameter

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Acidic amino acid

Basic amino acid

Neutral amino acid

None of these

A colourless liquid, at room temperature reacts with soda lime to form sodium salt of carboxylic acid and ammonia gas. The liquids is

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Propanamide

Propanoic acid

Formamide

Methyl Ethanoate

Acetamide is prepared by

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Heating ammonium acetate

Heating methyl cyanide

Heating ethyl acetate

The hydrolysis of methyl cyanide

Acetamides are formed by the reaction of carboxylic acids with

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Acids

Bases

Salts

NH₃

Essential amino acids are those amino acids which

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Body can not synthesize

Body can synthesize

α-amino acids

β-amino acids

The acid showing salt like character in aqueous solution is

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Acetic acid

Benzoic acid

Formic acid

α - Aminoacetic acid

In preparation medhod of carboxylic acids from alkyl halides always carboxylic acid formed which have carbon atoms:

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One less than in R----X

One more than in R---X

Equal to R---X

Double to R----X

Which following derivative cannot be prepared directly from acetic acid?

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Acetamide

Acetyl chloride

Acetic anhdride

Ethyl acetate

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Ethanol in the presence of concentrated sulphuric acid

Potassium hydroxide

Sodium

Sodium carbonate

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