Hydrocarbons Quiz 3

1 / 23

Identify the incorrect statement regarding alkadienes.

Dienophile supports alkadienes

Dienes show cis-trans isomerism

Alkadienes also undergo hydrobromination

Conjugated dienes have better stability compared to other dienes

2 / 23

Conjugated diene reacts with which among the following to form a cyclohexene?

Phenol

Tribromo phenol

Hexane

Dienophile

3 / 23

Which among these is not a representative arene compound?

Aspirin

Mesitylene

Picric chloride

Durene

4 / 23

Identify the incorrect statement regarding cyclobutane.

These exist in nature as colourless gas

Cyclobutane is a commercially important compound

The carbon atoms in the cyclobutane are non-coplanar

These compounds often show butterfly conformation

5 / 23

Identify the alicyclic hydrocarbon which is highly flammable.

Cyclooctane

Cycloheptane

Cyclopentane

Cyclopropane

6 / 23

Which among these is the simplest example for polycyclic arenes?

Benzacephenanthrylene

Pyrene

Naphthalene

Dibenz-anthracene

7 / 23

Arenes are _________

Water soluble

Non-carcinogenic

Mostly gases

volatile

8 / 23

Identify the incorrect statement regarding conjugated double bonds in alkadiene.

The conjugated dienes have properties similar to that of alkenes

Compounds with a double bond exhibit this type of bond

1,3 pentadiene is an example for this bond

1,3 alkadienes have conjugated double bond

9 / 23

Identify the one which is the perfect example for Isolated double bond?

1,5 butadiene

1,2 pentadiene

1,4 pentadiene

1,3 pentadiene

10 / 23

Arenes does not undergo ___________

Coupling reaction

Cyclo additions

Halogenation

Dehydrogenation

11 / 23

A molecule in which more than one single bond separates two double bonds are called as ____________

Cumulative double bond

Coordinate bond

Isolated double bond

Conjugated double bond

12 / 23

Identify the incorrect statement regarding cycloalkenes.

The bonds in them are fewer compared to those in alkenes

They occur in gaseous form in nature

These undergo polymerization

The conjugated double bonds in them increase their stability

13 / 23

Alkadienes are classified into how many types?

14 / 23

Identify the correct statement which is related to aromatic hydrocarbon?

It has only sigma bonds

It has a sigma and two pi bonds

It has a sigma and delocalized pi bond

It has only pi bonds

15 / 23

The main sources of these arenes are _________

Natural gas

Biogas and petroleum

Petroleum

Petroleum and coal tar

16 / 23

Which among the following compounds explodes on contact with oxygen?

Cyclobutane

Cyclopropane

Cyclohexane

Cyclopentane

17 / 23

Which among the following dienes undergo addition with the help of radical-chain mechanism?

Cumulated dienes

Simple dienes

Conjugated dienes

Isolated dienes

18 / 23

Identify the statement which is related to Diels-Alder reaction?

It is very stereospecific

Cyclic dienes react very slow than the linear chain dienes

Molecular distortion takes place

Addition of maleic anhydride to cyclopentadiene causes diene and dienophile to produce different products

19 / 23

Identify the incorrect statement regarding cyclohexane.

It is non-polar

It serves as an organic solvent

It a hydrophilic hydrocarbon

It is commercially used for variety of applications

20 / 23

Select the incorrect option.

Aromatic hydrocarbon can be either mono or polycyclic

The aromatic hydrocarbon has a pleasant aroma (smell)

Some of the aromatic compounds are ring-shaped

Benzene is the simplest hydrocarbon

21 / 23

Isolated dienes are similar in property to ______________

Monoolefins

Tetraolefins

Triolefins

Diolefins

22 / 23

Which among the following is not a property of aromatic hydrocarbon?

There exists a strong ratio between carbon and hydrogen

These compounds have excellent stability

These compounds have very good aromaticity

These compounds do not undergo nucleophilic substitutions but they undergo electrophilic substitutions

23 / 23

Identify the incorrect statement regarding alkadiene.

These are unsaturated hydrocarbons

These are acyclic acids

These compounds have the general formula CnH2n-2

These compounds have only one C=C bonds

Provide Your Information

NameEmailPhone Number

Your score is

The average score is 72%