Question # 1

Acetic anhydride is obtained form acetyl chloride by the reaction of

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P₂O₅

H₂SO₄

CH₃COONa

CH₃COCH₃

Acyl halide is formed by reacting PCl₅with

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Alcohol

Ester

Amide

Both carboxylic acids as well as esters

Glacial acetic acid freezes to ice like solid at (°C)

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07

17

27

37

Carboxylic acids are reduced to in presence of NaAIH₄

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Esters

Acetyl chloride

alcohol

Aldehydes

Which of the following reagents is used to distinguish between methanoic acid and ethanoic acid?

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Amm. silver nitrate solution

Neutral ferric chloride

Sodium hydroxide solution

Sodium carbonate solution

Aromatic carboxylic acids have carboxyl group attached to group :

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Alkyl group

Aryl group

Phenyl group

Benzyl group

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

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Ethanol in the presence of concentrated sulphuric acid

Potassium hydroxide

Sodium

Sodium carbonate

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

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

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Nitrides

Nitrites

Nitriles

Cyanides

The general formula of amino acids is

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Acidified AgNO_3(aq)

Fehling's solution

Na

Na₂XO_3(aq)

Which reagent is used to reduce a carboxylic group to an alcohol?

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H2/Ni

H2/Pt

NaBH4

LiAIH4

The order of decreasing ease of reaction with ammonia is

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Anhydrides, esters, ethers

Anhydrides, ethers, esters

Ethers, anhydrides, esters

Esters, ethers, anhydrides

Glacial acetic acid freezes to ice like solid it.

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07

17

27

37

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Elimination Esterification

Elimination Isomerisation

Oxidation Exterification

Oxidation Oxidation

Vinegar made form cane sugar, now a days synthetically contains

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Citric acid

Lactic acid

Acetic acid

Palmitic acid

Lactic acid on heating with dil. H₂SO₄gives

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Acetic acid

Propionic acid

Acrylic acid

Formic acid

Formic Acid is obtained from Red out by:

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Distillation

Crystallization

Filtration

sublimation

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

Hydrolytic reaction of fats by causic soda is known as

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Acetylation

Carboxylation

Esterification

Saponification

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

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H₂

CO₂

CI₂

None of these

Amiino acids are building blocks of:

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Protein

Carbohydrates

Lipids

Fats

A carboxylic acid containing Ar group in it is called:

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Aromatic carboxylic acid

Allphatic carboxylic acid

Dicarboxylic acid

Carboxylic acid

The organic compounds containing Ph-OH group are called:

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Phenol

aldehyde

Keton

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

Partial reduction of acetic acid happens with

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NH₃

LiAIH₄

P + HI

PCI₅

Reaction of acids with alcohols is also known as

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Esterification

Saponification

Alkalization

None

Which of the following is the strongest acid?

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CF₃COOH

CBr₃COOH

CH₃COOH

CCl₃COOH

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

Lysine is ______ amino acid

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Acidic

Basic

Natural

None of these

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers

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