Question # 1

Fatty acids are:

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Allphatic monocarboxylic acids

Dicaroxylic acids

Tricarboxylic acids

Tetracarboxylic acids

Poly carboxylic acids

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

The human body can synthesize ______ amino acids

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1

10

20

19

Acetic acid is manufactured by the fermentation of

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Ethanol

Methanol

Ethanal

Methanal

Formic Acid is obtained from Red out by:

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Distillation

Crystallization

Filtration

sublimation

Which are used as essences (flowers)?

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Aldehydes

Ketones

Alcohols

Esters

Tryosine was isolated from

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Butter

Cheese

Oils

Fats

Those amino acids which contain two carboxylic groups are called ______ amino acids

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Acidic

Basic

Neutral

None of these

Hydrolysis of trichloromethane with aqueous KOH gives

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Potassium formate

Acetylene

Chloral

Methanol

Of the following four reactions, formic acid and acetic acid differ in which respect?

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Replacement of hydrogen by sodium

Formation of ester with alcohol

Reduction of Fehling solution

Blue litmus reaction

Zwitter ion is ______ ion an amino acid

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Polar

Monopular

Dipolar

Non polar

When acetamide reacts with Br₂and caustic soda, then we get

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Acetic acid

Bromoacetic acid

Methyl amine

Ethylamine

Hydrolysis of alkyl nitriles is done to get carboxylic acids in the presence of

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Mineral acids

Mineral alkalies

Organics acids

Minerals acids & alkalies

The OH group present in acids may be replaced by CI atom on treatment with

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PCI₅

SOCI₂

Both of them

None of the above

In the presence of Aluminium ethoxide, aldehydes get converted into esters. The reaction is known as

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Schmidt reaction

Aldol condensation

Beckmann's rearrangement reaction

Tischenko reaction

A carboxylic acid containing Ar group in it is called:

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Aromatic carboxylic acid

Allphatic carboxylic acid

Dicarboxylic acid

Carboxylic acid

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

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Acidified AgNO_3(aq)

Fehling's solution

Na

Na₂XO_3(aq)

Lysine is ______ amino acid

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Acidic

Basic

Natural

None of these

Ethyl alcohol reacts with acetyl chloride to form

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Ethyl chloride

Acetic acid

Methyleacetate

Ethyleacetate

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

The acid present in vinegar is

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CH₃COOH

HCI

H₂SO₄

HCOOH

The Zwitter ion is also called

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International salt

Internal salt

No salt

None of these

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

Carboxylic acids are more acidic than pehnol and alcohol because of

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Intermolecular hydrogen bonding

Formation of dimmers

Highly acidic hydrogen

Resonance stabilization of their conjugate base

When acetamide is hydrolysed by boiling with acid the product obtained is

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Ethyl amine

Ethyl alcohol

Acetic acid

Acetaldehyde

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

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Higher

Low

Equal

None

A compound containing carboxyl group in them are called:

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Ketone

Ether

Carboxylic acids

Polycarboxylic acid

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

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