Question # 1

Acetaldehyde react, with Grignard reagent to form

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Primary alcohol

Secondary alcohol

Ter alcohol

Carboxylic acids

Industrially ethanal is prepared by air oxidation of.

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Ethane

Ethene

Ethyne

Acetic acid

Silver mirror test is given by

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Ethers

Ketones

Acids

Aldehydes

Which one of the following compound does not react with NaOH and I2 and also does not form Iodoform.

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C2H5OH

CH3CHO

CH3-CO-CH3

C2H5-O-C2H5

When benzaldehyde is converted to benzyl alcohol by reading with NaOH the reaction is known as.

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Cannizzaro reaction

Wurtz reaction

Wol;ficisthner reaction

Aldol reaction

Aldehyde react with hydroxyl amine in acidic solution to give

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An oxime

Aldol

Polymer

Acetic acid

Acetone reacts with HCN to form cyanohydrin it is an example of

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Electrophilic addition

Electrophilic substitution

Nucleophilic addition

Nucleophilic subtitution

What product is formed by the dry distillation of calcium acetate.

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CH3CH2COOH

CH3COOH

CH3COCH3

CH3CH2CHO

Acetone reacts with HCN to form a cyanohydrin. It is an example of.

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Electrophilic addition

Electrophilic substitution

Nucleophilic addition

Nucleophilic substitution

Formation of cyanohydrin from an aldehyde in an example of.

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Nucleophilic substitution

Nucleophilic addition

Electrophilic addition

Electrophilic substitution

Which one of the following compounds undergoes Cannizzaro's Reaction.

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Acetaldehyde

Benzaldehyde

Acetone

Propionaldehyde

On heating aldehydes with Fehling's solution we get a precipitate whose colour is

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Pink

Black

Yellow

Brick red

Paraldehyde is used as a

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Medicine

Poison

Polymer

Dye

Which one is symmetrical ketone

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Acetone

Methyl ethyl ketone

Methyl n propyl ketone

2- pentonone

Cannizzaro's reaction is given by

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Acetaldehyde

Formaldehyde

Propanal

Propanone

Cannizzaro's reaction is not given by

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Formaldehyde

Acetaldehyde

Benzaldehyde

Trithylacetaldehyde

All of the followings react with Fehling solution except

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CH2CH2CHO

CH3-CH2COCH3

HCHO

CH3-CHO

Which is most difficult to be oxidized

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CH₃CHO

CH₃COCH₃

HCHO

C₂H₅CHO

Which substance is used for silvering of mirror.

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Acetaldehyde

Ethanol

Ethylene glycol

Acetone

Ketones are prepared by the oxidation of.

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Primary alcohol

Secondary alcohol

Tertiary alcohol

None of these

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Chemistry Fsc Part 2 Chapter 12 Online Test MCQs With Answers

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