Question # 1

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

Which is not carboxylic acid with pungent smell?

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Formic acid

Acetic acid

Ethanoic acid

Butyric acid

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

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Active compound

Fatty acids

Functional group

None

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Hydrolysis of alkyl nitriles gives:

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alkane

alkyl halide

alkyl nitride

carboxylic acids

Lactic acid on oxidation by alkaline potassium permanganate gives

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Tartaric acid

Pyruvic acid

Cinnamic acid

Propionic acid

The acid present in vinegar is

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CH₃COOH

HCI

H₂SO₄

HCOOH

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

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Ethyl amine

Ethyl alcohol

Acetic acid

Acetaldehyde

Hydrolytic reaction of fats by causic soda is known as

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Acetylation

Carboxylation

Esterification

Saponification

Rosenmund's reduction of an acyl chloride gives

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An aldehydes

An alcohol

An ester

A hydrocarbon

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

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Red out

Vinegar

butter

Milk

Acetamide is

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Highly acidic

Highly basic

Neutral

amphoteric

Ethyl acetate is obtained when methyl magnesium iodide reacts with

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Ethyl formate

Ethyl choroformate

Acetyl chloride

carbondioxide

Vinegar made form cane sugar, now a days synthetically contains

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Citric acid

Lactic acid

Acetic acid

Palmitic acid

Amino acids are buildng blocks of:

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protein

Carbohydrates

Lipids

fats

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

Glacial Acetic acid is

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Pure acetic acid at 100°C

Acetic acid mixed with methanol

Pure acetic acid at 0°C

Pure acetic acid above 16.6°C

The human body can synthesize ______ amino acids

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1

10

20

19

A compound containing carboxyl group in them are called:

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Ketone

Ether

Carboxylic acids

Polycarboxylic acid

The human body can synthesize ______ amino acids

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1

10

20

19

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Alkyl

Alkyl nitrile

Cyanogens

Amine

Which of the following alcohols cannot be produced by treatment of aldehydes or ketones with NaBh₄or LiAH₄?

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1-Propanol

2-Propanol

2-Methyl2-Proponal

Ethanol

Glutamic acid, aspartic acid are ______ amino acid

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Acidic

Basic

Neutral

None of these

Caroxyl group has functional in it.

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one

two

three

four

Acetamides are formed by the reaction of carboxylic acids with

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Acids

Bases

Salts

NH₃

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 common name of propanoic acid is

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Acetic acid

Formic acid

Propionic acid

Butyric acid

Toluene can be oxidized to benzoic acid by

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KMnO₄(alk)

K₂Cr₂O₇(acidic)

Both

None

Formic Acid is obtained from Red out by:

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Distillation

Crystallization

Filtration

sublimation

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

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H2/Ni

H2/Pt

NaBH4

LiAIH4

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

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