Question # 1

The method involved for electrolysis of Na or K salts of carboxylic acids

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Sabatier's sendrens reaction

Kolbe's method

Clemmensen

Wolf kishner reduction

The saturated hydrocarbons usually end with suffix ______

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Ane

Ene

Yne

Oic

Acetylene when treated with 10% H₂SO₄in the presence of HgSO₄adds one molecule of water to form

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Aldehydes

Esters

Alcohols

Acids

The term aromatic was derives from

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Greek word

Latin

Russian

English

Which of the following possesses the highest melting point?

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Chlorobenzene

0-Dichlorobenzene

m-Dichlorobenzene

p-Dichlorobenzene

All are ortho & Para directing except

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X

OH

NR₃

NH₂

The geometry of acetylene is

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Angular

Bent

Trigonal

Linear

For preparing an alkane, a concentrated aqueous solution of sodium or potassium salt of saturated carboxylic acid is subjected to

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Hydrolysis

Oxidation

Hydrogenation

Electrolysis

Which one of the following gases is used for artificial ripening of fruits

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Ethane

Ethyne

Methane

Propane

Hybridization in alkanes is:

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sp

sp²

sp³

dsp²

Which one does not declourized KMnO₄

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Alkenes

Alkynes

Bezene

All above

The method in which alkanes prepared by alkyle halides in the presence of palladium - charcoal is

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Hydrolysis

Electrolysis

Hydrogenation

Hydrogenolysis

Alkyne is :

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CH_3-CH₃

CH₄

CH₂₌CH₂

C₂H₂

Most common reactions of benzene and its derivatives are

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electrophilic addition reactions

electrophilic substitution reactions

Nucleophilic addition reactions

Nucleophilic subtitution reactions

The reaction in which ketone is reduced to the alkane is called

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Kolb

Clemmensen

Cannizzaro

None

The compound prepared by a substitution reaction of benzene is

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Acetophenone

Glyoxal

Cyclohexame

Hexabromo cyclohexane

The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with

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Hund's rule

Markownikov's rule

Pauli's Exclusion principle

Auf ban principle

Kolb's method has limited synthetic applications due to

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Expensive catalysis

Slow reaction

Number of side products produced

Salts used are very expensive

Synthetic rubber is made by polymerization of

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Chloroform

Acetylene

Divinlacetylene

Butene

The molecule of ethane possess which hybrization

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sp³

sp²

sp

sp²d

Amongst the following the compound that can be most readily sulphonated is

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Toluene

Benzene

Nitrobenzene

Chlorobenzene

Which class of compound is more reactive

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Alkane

Alkene

Alkyne

None

Free radical mechanism of halogenation of alkanes follow step:

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Initiation

Propagation

Termination

All of these

Nitroalkane are used in

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Fuel

Solvents

Organic synthesis

All of them

Ethylene combines with water in the presence of H₂SO₄+ HgSO₄and forms

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Ethyle chloride

Ethyle alcohol

Carboxylic acid

None of these

When methane reacts with Cl₂in the presence of diffused light the products obtained are?

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Chloroform only

Carbon tetrachloride only

Chloromethane and dichloromethane

Mixture of a,b,c

The C-C bond angles in benzene ring are

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119°

120°

121°

None

Marsh gas was the name given to

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Methane

Ethane

Propane

Butane

Kolb's method of alkanes production, is actually

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Hydrolysis

Catalysis

Electrolysis

Hydrogenation

Hybridization of each carbon atom in benzene ring is

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sp hybridized

sp²hybridized

sp³

dsp²

Which gas is used for welding purposes

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Butane

Nitrogen

Methane

Acetylene

More Classes

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ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons Online Test MCQs With Answers

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