Question # 1

Butyric acid was named from butyrum means:

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Red out

Vinegar

Butter

Milk

Which compound is both chiral and acidic

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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

With amino acids ninhydrin solution gives

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Blue

Violet

Bluish violet

White

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

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esters

alcohols

alkanes

aldehydes

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

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Phenol

Aldehyde

Ketones

Carboxylic acids

Amides on treatment with Br₂and KOH are converted into amines, the reaction is known as

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Hoffmann's bromamide reaction

Hoffmann's methylation

Gabriel phthalimide reaction

H.V.Z reaction

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RCH(CH₃)CO₂H + CH₃OH

RCH(CH₃)CO₂H + HCO₂H

RCH(CH₃)OH + CO₂

RCH(CH₃)OH + HCO₂H

Boiling point of acetic acid is ^oC

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116

117

118

119

Aromatic carboxylic acids have carboxyl group attached to group :

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Alkyl group

Aryl group

Phenyl group

Benzyl group

The organic compounds containing Ph-OH group are called:

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Phenol

aldehyde

Keton

Carboxylic acids

HCOOH reacts with conc. H₂SO₄to produce

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CO

CO₂

NO

NO₂

Carboxylic acids having carboxyl group one is called:

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Mono carboxylic acid

Di-carboboxylic acid

Tri carboxilic acid

Tetra carboxylic acid

Hydrolytic reaction of fats by causic soda is known as

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Acetylation

Carboxylation

Esterification

Saponification

Which of the following is not a fatty acid

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

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

Amylacetate flavour is present in:

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Banana

Apple

Jasmine

Orange

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 M.P. of carboxylic acids containing even number of carbon atoms is ______ than the next

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Higher

Low

Equal

None

The human body can synthesize ______ amino acids

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1

10

20

19

Lactic acid on heating with dil. H₂SO₄gives

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Acetic acid

Propionic acid

Acrylic acid

Formic acid

Which of the following is not fatty acid?

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

The solution of which acid is used for seosoning of food ?

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Formic acid

Acetic acid

Benzoic acid

Butanoic acid

If a large number of amino acids (hundreds to thousands) are joined by peptide bonds, the resulting product is called

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Dipeptide

Tripeptide

Polypeptide

None of these

Zwitter ion is ______ ion an amino acid

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Polar

Monopular

Dipolar

Non polar

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

Which of the following compounds on boiling with KMnO₄(alk) and subsequent acidification will not give benzoic acid?

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Benzyl alcohol

Acetophenone

Anisole

Toluene

Common names of carboxylic acids are given by then:

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Source

Person discovered

place

habit

Which of the following is the strongest acid?

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CF₃COOH

CBr₃COOH

CH₃COOH

CCl₃COOH

Compounds containing cyanide group (.........C=H) are called:

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Nitrides

Nitrites

Nitriles

Cyanides

Amino acids are buildng blocks of:

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protein

Carbohydrates

Lipids

fats

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers

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