Question # 1

Vinyl acetylene combines with HCl to form:

Choose an answer

Polyacetylene

Benzene

Chloroprene

Divinyl acetylene

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

Choose an answer

Hund's rule

Markowvikov's rule

Pauli's exclusion principle

Auf ban principle

The next homologue of C₁₀H₂₂will be

Choose an answer

C₉H₂₀

C₁₂H₂₆

C₁₁H₂₄

C₁₃H₂₈

Preparation of vegetable ghee involves:

Choose an answer

Halogenation

Hydrogenation

Hydroxylation

Dehydrogenation

When sodium benzoate is treated with soda lime (NaOH) benzene is formed. What is the other product

Choose an answer

Na₂CO₃

NaHCO₃

Ca(OH)₂

CaCO₃

When benzene is burnt in free supply of air, it is completely oxidized to

Choose an answer

CO

CO₂₊H₂O

H₂CO₃

None

Which of the following decolorized Br₂-water

Choose an answer

Methane

Ethane

Ethene

Propane

Boiling point of n-butane is:

Choose an answer

-102°C

-75°C

-55°C

55°C

Which reaction is too vigorous to control

Choose an answer

Chlorination

Bromination

Iodination

Fluorination

Benzene does not undergo

Choose an answer

Substitution reaction

Addition reaction

Oxidation reaction

Elimination reaction

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

Alkenes normally have ______ geometry

Choose an answer

Tetrachedral

Linear

Planer

None

The order of reactivity of halogen acids towards alkenes

Choose an answer

HCl > HBr > Hl

HBr > HCl > HI

HCl > HBr

HI > HBr > HCl

Choose an answer

2, 3-dimethylbutane

2, 3-methylbutane

2-dimethylbutane

Dimethylbutane

Which is liquid among the following alkenes?

Choose an answer

Ethane

Propene

Butene

Pentene

Preparation of vegetable ghee involves

Choose an answer

Halogenations

Hydrogenation

Hydroxylation

Dehydrogenation

Alkanes have functional group :

Choose an answer

----X

--OH

----COH

No functional group

Which is more active ?

Choose an answer

Alkanes

Alkenes

Alkynes

Benzene

Which class of compound is more reactive

Choose an answer

Alkane

Alkene

Alkyne

None

Choose an answer

Pent -1-ene-3-yne

2-pentyne-4-ene

1-pentene-3-yne

Pent-2-yen-4-ene

The elimination of HX from adjacent carbon atoms is called

Choose an answer

Halogenations

Hydrohalogenation

Dehydrohalogenation

Hydration

Which one of the following is (m-xylene)

Choose an answer

1,2 dimethyl benzene

1,3 dimethyl benzene

1,5 dimethyl benzene

1,4 dimethyl benzene

Alkyl benzenes are readily oxidized by axidfied

Choose an answer

KMnO₄

K₂CO₃

MnO₄

H₂SO₄

The compound prepared by a substitution reaction of benzene is

Choose an answer

Acetophenone

Glyoxal

Cyclohexame

Hexabromo cyclohexane

During reaction of O₂and alkenes, a product:

Choose an answer

Glycol

Epxide

Halohydrin

Ethylene glycol

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

Choose an answer

Aldehydes

Esters

Alcohols

Acids

Physical properties of alkanes increase with increase of all physical constants except

Choose an answer

Boiling points

Melting points

Density

Solubility

the unreactivity of alkanes is based upon

Choose an answer

Inertness of sigma bond

Non-polarity of the bonds

Both A and B

None of above

Substituted phenyl groups are called

Choose an answer

acyl groups

phenyl groups

Aryl groups

Alkyle groups

acetylene can be converted into-while passing through a Cu-tube at 300°C:

Choose an answer

Glyoxal

Vinyl acetylene

Vinyl alcohol

Benzene

An alkynes having Carbon count of 20 is

Choose an answer

gas

liquid

Solid

None

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

Choose an answer