Question # 1

The reaction-method that does not give an alkane is

Choose an answer

Catalytic hydrogenation of alkanes

Wurtz reaction

Hydrolysis of alkyl magnesium bromide

Dehydrohalogenation of an alkyl halide

In CH₄, all the H-C-H bond angles are

Choose an answer

120°

107°

109°

109.5°

B-B'-dichloroethyl sulphide is commonly known as

Choose an answer

Mustard gas

Laughing gas

Phosgene gas

Bio gas

Alkanes have functional group :

Choose an answer

----X

--OH

----COH

No functional group

How many isomeric disubtituted products are obtained by the introducing of second group in the ring

Choose an answer

Two

Three

Four

None

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

Choose an answer

Ethyle chloride

Ethyle alcohol

Carboxylic acid

None of these

Raney - nickel is the alloy of Ni with

Choose an answer

Pt

Al

Cu

Pd

Alkynes are colourless & odouless except

Choose an answer

Acetylene

Propyne

Butyne

Pentyne

Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?

Choose an answer

Chlorination, nitration, reducing

Nitration, chlorination, reducition

Nitration, reduction,chlorination

Nitration, reduction, acylation, chlorination, hydrolysis

Choose an answer

2, 3-dimethylbutane

2, 3-methylbutane

2-dimethylbutane

Dimethylbutane

Which of the following is not an ortho-para directing group

Choose an answer

Substitution of halogen in the benzene ring requires catalyst

Choose an answer

AlCl₃

FeCl₃

SiO₂

Organo - nickel

When alkyl is treated with chlorine in the presence of sunlight

Choose an answer

1,3 dichloroproduct is formed

1,4 dichloro product is formed

1,3,5 trichloro product is formed

Only alkyl group is substituted

Benzene was discovered by Michael Faraday's in

Choose an answer

1824

1825

1826

1827

The temp. used for the hydrogenation of alkenes using Ni is

Choose an answer

2000°C

400°C

200-- 300°C

1000°C

The order of reactivity of halogens in aliphatic substitution reactions is

Choose an answer

Br2 > C12 > F2

C12 > Br2 > F2

C12 C12 > Br2

F2 > Br2 > C12

The three alternate single and double bonds in the benzene ring are called

Choose an answer

Conjugate bonds

Resonating bonds

Both A and B

None of above

Which of the following is not an electrophitic substitution reaction of benzene

Choose an answer

Nitration

Sulphonation

Fridel-Craft alkylation

Free radical chlorination of benzene

Which compound was recognized the parent member of aromatic compounds

Choose an answer

Aniline

Phenol

Benzene

Toluene

Polymerization of ethane take place at pressure of 100 atm and a temperature of

Choose an answer

200°C

400°C

600°C

800°C

Benzene reacts with ozone and gives

Choose an answer

Glycerin

Glyoxal

Maleic anhydride

Benzoic acid

In Friedal-Craft's alkylation besides AlCl3 the other reactants are

Choose an answer

C6H6 + NH3

C6H6 + NH4

C6H6 + CH3Cl

C6H6 + CH3COCl

The C-C bond angles in benzene ring are

Choose an answer

119°

120°

121°

None

The sp²hybird orbitals are oriented in space at one angle

Choose an answer

180°

109.5°

100°

120°

Which is the used as test for the presence of alkenes

Choose an answer

Reaction of cold dilute alkaline KMnO₄

Combustion

Polymerization

Catalytic hydrogenation

Ethylene can be prepared in the laboratory by heating together ethyl alcohol and

Choose an answer

HCI

Phenol

HF

H₂SO₄

Benzene is obtained by fractional distillation of

Choose an answer

Heavy oil

Anthracene oil

Middle oil

Light oil

"Each different compound should have a different name" was published by IUPAC system of nomenclature in

Choose an answer

1892

1830

1947

1979

The process in which orbitals of different energies and shapes mix with each other to give equivalent hybrid orbitals is called

Choose an answer

Isomerization

polymerization

Hybridization

Resonance

Synthesis of rubber is made by polymerization of

Choose an answer

Chloroform

Acetylene

Divinylacetylene

Butene

More Classes

Other Links

ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer