Question # 1

Butyric acid was named from butyrum means:

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Red out

Vinegar

Butter

Milk

Etherification is catalyzed by

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Acids

Gases

Salts

None of the these

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

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Alkyl

Alkyl nitrile

Cyanogens

Amine

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Acidic amino acid

Basic amino acid

Neutral amino acid

None of these

Aromatic carboxylic acids have carboxyl group attached to group :

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Alkyl group

Aryl group

Phenyl group

Benzyl group

Amino acids contain functional groups in it:

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--CO--

--OH

---NH₂

All of these

Acetic acid is miscible in:

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Water

Alcohol

Either

All of these

From the following values of dissociation constants of four acids which value represents the strongest acid?

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2 x 10^-2

0.02 x 10^-1

3 x 10^-4

2 x 10^-4

A carboxylic acid contains:

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A hydroxyl group

A carboxyl group

A hydroxyle & carboxyl group

A carboxyl &aldehyde group

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

Acetamide and NaOBr/OH^-produce

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Ethanamine

Methanamide

CH₃CN

NH₃

Palmitic acid & steanic acid ae obtained from process of fats & oils:

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Reduction

Neutralization

oxidation

hydrolysis

Acetic acid is manufactured by the fermentation of

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Ethanol

Methanol

Ethanal

Methanal

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

Hydrolytic reaction of fats by causic soda is known as

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Acetylation

Carboxylation

Esterification

Saponification

Carboxylic acids having carboxyl group one is called:

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Mono carboxylic acid

Di-carboboxylic acid

Tri carboxilic acid

Tetra carboxylic acid

Acetic acid is also named.

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Methanoic acid

Ethanoic acid

Propanic acid

Butanoic acid

An artificial smell of banana is produced in many articles y using esters which of the following is that

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Amyl acetate

Isoamyl valerate

Octyl acetate

Methyl butyrate

Amiino acids are building blocks of:

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Protein

Carbohydrates

Lipids

Fats

Heating a mixture of sodium benzoate and soda lime gives

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Methane

Benzene

Sodium bezoate

Calcium benzoate

A compound containing carboxyl group in them are called:

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Ketone

Ether

Carboxylic acids

Polycarboxylic acid

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

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Esters

Alcohols

Alkanes

Aldehydes

Esters have peculiar smell, which of the following is used as an essence of orange

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Isoamyl acetate

Iosamyl valerate

Octyl acetate

Methyl butyrate

Which following derivative cannot be prepared directly from acetic acid?

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Acetamide

Acetyl chloride

Acetic anhdride

Ethyl acetate

Formic acid is obtained when

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Calcium acetate is heated with conc.H₂SO₄

Calcium formate is heated with calcium acetate

Glycerol is heated with oxalic acid

Acetaldehyde is oxidized with K₂Cr₂O₇and H₂SO₄

Boiling point of acetic acid is ^oC

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116

117

118

119

Given below are some statements concerning formic acid, which of them is true?

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It is a weaker acid than acetic acid

It is a reducing agent

When its calcium salt is heated, it forms a ketone

It is an oxidizing agent

Which is not carboxylic acid with pungent smell?

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Formic acid

Acetic acid

Ethanoic acid

Butyric acid

When a carboxylic acid reacts with alcohol, it produces a new class of compounds

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Ethers

Esters

Anhydride

Amides

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers

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