Question # 1

Formic acid is obtained when

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Calcium acetate is heated with conc.H₂SO₄

Calcium formate is heated with calcium acetate

Glycerol is heated with oxalic acid

Acetaldehyde is oxidized with K₂Cr₂O₇and H₂SO₄

Which of the following is not a fatty acid?

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Propanoic acid

Acetic acid

Phthalic acid

Butanoic acid

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It decolourises aqueous bromine rapidly

It is insoluble in water

It reduces Fehling's reagent

Two molecules react with each other in the presence of a strong acid

Common names of carboxylic acids are given by then:

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Source

Person discovered

place

habit

Which is not carboxylic acid with pungent smell?

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Formic acid

Acetic acid

Ethanoic acid

Butyric acid

Butyric acid was named from butyrum means:

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Red out

Vinegar

Butter

Milk

Which are used as essences(flowers)?

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aldehydes

Ketones

alcohols

esters

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

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Formic acid

Acetic acid

Benzoin acid

Butanoic acid

The Zwitter ion is also called

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International salt

Internal salt

No salt

None of these

The human body can synthesize ______ amino acids

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1

10

20

19

The acid present in the stings of bees and wasps in

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Acetic acid

Formic acid

Formalin

Formaldehyde

The common name of propanoic acid is

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Acetic acid

Formic acid

Propionic acid

Butyric acid

Partial reduction of acetic acid happens with

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NH₃

LiAIH₄

P + HI

PCI₅

A carboxylic acid with one caboxyl group:

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Monocarboxylic acid

Dicarboxylic acid

Tricarboxylic acid

Polycarboxylic acid

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di(4-bormophenyl) method

Methanol

Propan-1-ol

Propan-2-ol

Hydrolysis of trichloromethane with aqueous KOH gives

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Potassium formate

Acetylene

Chloral

Methanol

Carboxylic acids on complete reduction in the presence of HI and red Phosphours gives:

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esters

alcohols

alkanes

aldehydes

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

Ethyl acetate is obtained when methyl magnesium iodide reacts with

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Ethyl formate

Ethyl choroformate

Acetyl chloride

carbondioxide

Acyl halide is formed by reacting PCl₅with

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Alcohol

Ester

Amide

Both carboxylic acids as well as esters

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

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Ethyl ester

Ethanoic acid

Ethyl acetate

A peptide having molecular mass upto 10,000 is called a

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Vitamin

Protein

Polypeptide

Dipetide

Lower carboxylic acids are soluble in water due to

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Low molecular weight

Hydrogen bonding

Dissociation into ions

Easy hydrolysis

With amino acids ninhydrin solution gives

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Blue

Violet

Bluish violet

White

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

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ECAT Chemistry Chapter 24 Carboxylic Acid Online Test MCQs With Answers

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