Question # 1

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

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Phenol

Aldehyde

Ketones

Carboxylic acids

Zwitter ion is ______ ion an amino acid

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Polar

Monopular

Dipolar

Non polar

Aromatic carboxylic acids have carboxyl group attached to group :

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Alkyl group

Aryl group

Phenyl group

Benzyl group

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

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Red out

Vinegar

butter

Milk

Lactic acid on oxidation by alkaline potassium permanganate gives

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Tartaric acid

Pyruvic acid

Cinnamic acid

Propionic acid

A carboxylic acid with one caboxyl group:

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Monocarboxylic acid

Dicarboxylic acid

Tricarboxylic acid

Polycarboxylic acid

Acetic Acid is obtained from:

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Red out

Vinegar

Butter

Milk

Aliphatic carboxylic acids have carboxyl group attached to:

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Alkyl group

Aryl group

Phenyl group

Benzyl lgroup

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

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

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Active compound

Fatty acids

Functional group

None

The acid present in vinegar is

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CH₃COOH

HCI

H₂SO₄

HCOOH

Amino acids are buildng blocks of:

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protein

Carbohydrates

Lipids

fats

In public urinals, we observe some nascent smell. This smell is due to

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Hydrolysis of urea of urine by urease of atmosphere into NH₃and CO₂

Formation of sulphonic acid by urea of urine

Reaction of CO₂of atmosphere with urea monoitrate in urine

Hydrogen present in air reacts with nitrogen forming NH₃

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

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

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Ethers

Esters

Anhydride

Amides

Carboxylic acid can generally be prepared by various methods. Which of the following methods is not suitable for making carboxylic acids

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By the oxidation of primary alcohols

By the hydrolysis of nitriles

By the carbonation of Grignard, reagent

By the hydrolysis of p-amines

Carboxylic acids generally exists in cyclic

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Monomers

Dimers

Trimers

Tetrameter

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

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Ethyl ester

Ethanoic acid

Ethyl acetate

The general formula of amino acids is

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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

Butyric acid was named from butyrum means:

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Red out

Vinegar

Butter

Milk

Glutamic acid, aspartic acid are ______ amino acid

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Acidic

Basic

Neutral

None of these

Monocarboxylic acids exist as dimer because of

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Dipole-dipole attraction

Hydrogen bonding

Van der Waals forces

Conhesive forces

Which of the following is not fatty acid?

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers

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