Question # 1

Formamide is formed by the reaction of which acid with ammonia

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Oualic acid

Formic acid

Ethanoic acid

Propanoic acid

The Complete oxidation of ethanol produces first Ethanal than

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Ethanal

Propanone

Ethanoic acid

Benzoic acid

In the esterification, first attack is due toon carborylic acid

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Hydrogen ion

Alcohols

Water

All

One of the following compound reacts with its own oxidation product (an oxidation involves no loss of carbon) to give sweet odour liquid

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Propanal

Propanone

1-propanol

Propanoic acid

Octyl acetate has the flavor of

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Orange

Pineapple

Banana

Apple

In the presence of hot alkaline potassium permanganate solution 2-butene will give

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Formic acid +acetic acid

Two moles ethanoic acid

Two moles of methanoic acid

Ethylene glycol

solubility of carboxylic acids decreases in water with increase in molar mass because

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Bigger molecules are more polar

bigger molecules have bigger non-polar groups

bigger molecules make more hydrogen bonds

bigger molecules can form lesser hydrogen bonds/molecule

Which compound shows the highest melting point

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water

Propanoic acid

Methanoic acid

Ethanoic acid

Which of the following acid is unsaturated carboxylie acid

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Malonic acid

Oxalic acid

Succinic acid

Maleic acid

Which compound is not formed as a result of reaction between acetic acid & HI & red phosphorous

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Ethanol

Water

lodine

Ethane

Acetic acid reacts with thionyl chloride to form acetyl chloride, which species acts as nucleophile in the reaction

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SO3

SO2

Cl-

No nucleophile is formed

The derivatives that cannot be prepared directly from the acetie acid

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Acetamide

Acetic anhydride

Ethyl acetate

Ester

The specie that develops strongest hydrogen bonding with water

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НСООН

B.CH3CH2СООН

CH3СООН

CICH2COOH

An acid that exists as a cyclic dimer in benzene and shows a molar mass of 120g/mol is

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СН3СOOH

HCOOH

CI2CHCOOH

Сl3CCOOH

Slight oxidation of primary alcohol eives

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Ketone

Aldehyde

-Organic acid

An ester

Oils and fats belong to the class of

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Alcohols

Hydrocarbons

Acids

Esters

In esterification, the OH of carboxylic acid is replaced by

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OR+

R+

OR

R

The formation of acetic anhydride from acetic acid follows the mechanism

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SN

AN

SE

AE

Primany aleohols sornally give us aldehyde when oxidized in the presence of acidified Na2Cr2O7, what will be the product, when the secondary alcohols are oxidized in same condition?

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Alkenes

Alkyl halide

Alkynes

Ketones

The formation of ester from acetic aciad in presence of acid and ethanol is a

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Nucleophilic substitution reaction

Nucleophilic addition reaction

Electrophilic substituion reaction

Electrophilic addition reaction

Which of the following has the lowet solubility in water

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НСOOH

CH3СООН

CH3-CH2-СООН

C3H7-COOH

Ester with raspberry flavor

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Amyl acetate

Isobutyl formate

Amyl butyrate

Octyl acetate

Reaction of acetic acid with LiAIH4 gives

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Ethanol

Ethanal

Ethane

Ethyl acetate

Final product of hydrolysis of nitrile is

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Ketone

Alcohol

Aldehyde

Carboxylic acid

Carboxylic acids reacts with sodium carbonate, & gas evolved in this reaction

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CO2

H2

CO

Both a &b

Ethanoic acid reacts with PCI5, to give ethanoyl chloride. HCI and a third compound What is the third compound

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H3PO3,

POCI3

SO2

COCl2

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MDCAT Chemistry Chapter 17 Aldehydes and Ketones Online Test MCQs With Answers

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