Question # 1

Vinegar made form cane sugar, now a days synthetically contains

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Citric acid

Lactic acid

Acetic acid

Palmitic acid

What is the structure of the ester formed from propanoic acid and ethanol

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

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Active compound

Fatty acids

Functional group

None

General formula of aromatic carboxyl acids

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R---------------OH

RCOOH

RCOR

ARCOOH

Lactic acid on heating with dil. H₂SO₄gives

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Acetic acid

Propionic acid

Acrylic acid

Formic acid

Carboxylic acids generally exists in cyclic

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Monomers

Dimers

Trimers

Tetrameter

Acetic acid is also named.

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Methanoic acid

Ethanoic acid

Propanic acid

Butanoic acid

Ethyl acetate reacts with CH₃MgBr to form

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Secondary alcohol

Tertiary alcohol

Primary alcohol and acid

Acid

Pro stand for

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Valine

Alamine

Glycine

Proline

Which of the following does give violet colour with neutral ferric chloride?

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Acetic acid

Salicaylic acid

Formine acid

Benzoic 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

The solution of which acid is use for seasoning of food?

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Formic acid

Acetic acid

Benzoin acid

Butanoic acid

Acetamides are formed by the reaction of carboxylic acids with

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Acids

Bases

Salts

NH₃

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

Which of the following order is incorrect w.r.t property indicated?

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Formic acid > Acetic acid > Propionic acid (ACID STRENGTH)

Cyclohexanol < Phenol < Benzoic acid ( ACID STRENGTH)

Benzamide < Aniline < Cyclohexylamine ( ACID STRENGTH)

FCH₂COOH > CICH₂COOH > BrCH₂COOH (ACID STRENGTH)

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

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Ethyl ester

Ethanoic acid

Ethyl acetate

Common names of carboxylic acids are given by then:

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Source

Person discovered

place

habit

General formula of aliphatic carboxylic acids:

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R---OH

R----COH

R----CO---R

RCOOH

Which of the following derivative cannot be prepared directly from acetic acid?

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Acetamide

Acetyl chloride

Ethyl acetate

Acetic acid

Fatty acids are:

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Allphatic monocarboxylic acids

Dicaroxylic acids

Tricarboxylic acids

Tetracarboxylic acids

Poly carboxylic acids

A carboxylic acid with one caboxyl group:

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Monocarboxylic acid

Dicarboxylic acid

Tricarboxylic acid

Polycarboxylic acid

Reaction of acids with alcohols is also known as

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Esterification

Saponification

Alkalization

None

The amino acids which human body can synthesize are called ______ amino acid

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Essential

Non essential

Acidic

Basic

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

Acetic acid is manufactured by:

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Distillation

Fermentation

Ozonolysis

Esterification

Easter are pleasant smelling compounds. Which ester posseses odour like pineapple

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Amylacetate

Amylbutyrate

Ethylbutyrate

Benzylacetate

What is formed when oxalic acid is dehydrated by conc. H₂SO₄?

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C + CO₂

CO

CO₂

CO + CO₂

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

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

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H₂

CO₂

CI₂

None of these

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

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H₂/Ni

H₂/Pt

NaBH₄

LiAIH₄

Toluene can be oxidized to benzoic acid by

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KMnO₄(alk)

K₂Cr₂O₇(acidic)

Both

None

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