Question # 1

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

Choose an answer

Aldehydes

Esters

Alcohols

Acids

Free radical mechanism of halogenation of alkanes follow step:

Choose an answer

Initiation

Propagation

Termination

All of these

Substitution of halogen in the benzene ring requires catalyst

Choose an answer

AlCl₃

FeCl₃

SiO₂

Organo - nickel

Which one does not declourized KMnO₄

Choose an answer

Alkenes

Alkynes

Bezene

All above

All C - H bond lengths of benzene ring is

Choose an answer

1.07A°

1.09A°

1.08A°

None

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

Vinyl acetylene combines with HCI to form

Choose an answer

Poly acetylene

Benzene

Chloroprene

Divinylacetylene

Alkyne is :

Choose an answer

CH_3-CH₃

CH₄

CH₂₌CH₂

C₂H₂

Marsh gas was the name given to

Choose an answer

Methane

Ethane

Propane

Butane

Hydrocarbons are divided into aliphatic, alicyclic and aromatic which structure among the following show an alicyclic hydrocarbon

Choose an answer

Sulphuric acid generates nitronium ion by reacting with

Choose an answer

Nitric acid

Nitrogen gas

Nitrous acid

Potassium nitrate

Benzene is not prepared from

Choose an answer

Acetylene

Phenol

Benzoic acid

Bromo benzene

Th IUPAC name of the compound having formula (CH3) 3 C - CH = CH2 is

Choose an answer

1, 1-Dimethyl-3-butene

1,1,1-Trimethyl-3-propene

3,3,-Dimenthyl-1-butene

3,3,3,-Trimethyl-1-propene

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

Acetylene is used in the manufacture of

Choose an answer

Rubber

Plastic

Ethyle alcohol

All of these

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

Choose an answer

Hund's rule

Markownikov's rule

Pauli's Exclusion Principle

Auf bau Principle

The geometry of acetylene is

Choose an answer

Angular

Bent

Trigonal

Linear

The electron releasing effect of methyl group is significant and it makes ring a good

Choose an answer

Electrophilic

Nucleophilic

Nucleophobic

Hydrophobic

Complete combustion of alkane yields

Choose an answer

CO₂+ H₂O

CO₂+ heat

CO + H₂O heat

CO₂+ H₂O + heat

Substituted phenyl groups are called

Choose an answer

acyl groups

phenyl groups

Aryl groups

Alkyle groups

Hydrocarbon which is liquid at room temperature is

Choose an answer

Pentane

Butane

Propane

Ethane

The stability of acromatic compounds decreases with ------- in the no. of its resonance structure

Choose an answer

Decrease

Increase

Remain constant

Partially decreases

Benzene can be obtained by heating either benzoic acid with X or phenol with Y. X and Y are respectively

Choose an answer

Zinc dust and soda lime

Soda time and zinc dust

Zinc dust and sodium hydroxide

Soda lime and copper

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