55 + Mcqs in Hydrocarbons in SRMJEEE Page 1 McqOptions

1.	Chlorination of alkanes is an example of __________
A.	Radical
B.	Elimination
C.	Free radical
D.	Addition
Answer» D. Addition

Discussion

2.	Liquid hydrocarbon is converted into gaseous hydrocarbon by __________
A.	Oxidation
B.	Hydrolysis
C.	Cracking
D.	Distillation
Answer» D. Distillation

Discussion

3.	The hydrocarbon in which all the 4 valencies of carbon are fully occupied is called as __________
A.	Alkene
B.	Alkyne
C.	Alkane
D.	Cycloalkane
Answer» D. Cycloalkane

Discussion

4.	Name the process associated with acylation of benzene.
A.	Friedel craft reaction
B.	Wurtz reaction
C.	Wurtz fitting reaction
D.	Debey Huckel reaction
Answer» B. Wurtz reaction

Discussion

5.	Calcium carbide on reaction with water gives?
A.	Methane
B.	Ethane
C.	propane
D.	Acetylene
Answer» E.

Discussion

6.	“Methane is a product of aerobic respiration”.
A.	False
B.	True
Answer» B. True

Discussion

7.	Ethane is obtained by electrolyzing __________
A.	Potassium formate
B.	Potassium succinate
C.	Potassium acetate
D.	Potassium fumarate
Answer» C. Potassium acetate

Discussion

8.	The simplest member of organic compounds is?
A.	Methanol
B.	Methane
C.	Formaldehyde
D.	Formic acid
Answer» C. Formaldehyde

Discussion

9.	Hydrocarbons are organic compounds with element __________
A.	Hydrogen
B.	Oxygen
C.	Carbon
D.	Both hydrogen and carbon
Answer» E.

Discussion

10.	Generally alkanes are said to have been
A.	reactive
B.	unreactive
C.	highly reactive
D.	stable
Answer» C. highly reactive

Discussion

11.	Hydrocarbons containing double bonds are called
A.	Alkanes
B.	alkenes
C.	arenes
D.	ketone
Answer» C. arenes

Discussion

12.	Layers of rock under surface of earth is present in
A.	water
B.	calcium
C.	crude oil
D.	gold
Answer» D. gold

Discussion

13.	Lower molar mass of hydrocarbons have increased
A.	polarity
B.	volatility
C.	both A and B
D.	boiling point
Answer» C. both A and B

Discussion

14.	Alkenes mostly follow reaction of
A.	addition reaction
B.	elimination reaction
C.	substitution reaction
D.	all of them
Answer» B. elimination reaction

Discussion

15.	If ethene is reactant, then product will be
A.	ethanol
B.	triol
C.	butanol
D.	propanol
Answer» B. triol

Discussion

16.	Alcoholic drinks are manufactured by fermentation of
A.	sugar cane
B.	glucose
C.	ethene
D.	all of them
Answer» C. ethene

Discussion

17.	Maximum number of hydrogen atoms are present in molecules of alkanes hence they are
A.	saturated hydrocarbons
B.	unsaturated hydrocarbons
C.	super saturated hydrocarbons
D.	super unsaturated hydrocarbon
Answer» B. unsaturated hydrocarbons

Discussion

18.	Cars releases unburnt hydrocarbons, carbon monoxide, acidic nitrogen oxides and
A.	carcinogens
B.	bacteria
C.	noise
D.	pathogens
Answer» B. bacteria

Discussion

19.	Under certain conditions ethene molecule reacts to give
A.	isomer
B.	polymer
C.	isotope
D.	monomer
Answer» C. isotope

Discussion

20.	An estimated amount of 10,000 ethene monomers bond together to make polymer chain of
A.	poly(ethene)
B.	PVC
C.	polymers
D.	monomers
Answer» B. PVC

Discussion

21.	Carbon dioxide is
A.	toxic
B.	pollutant
C.	enhance global warming
D.	both B and C
Answer» E.

Discussion

22.	Hydrocarbons which contain ring of three or more carbon atoms are called
A.	alkanes
B.	cycloalkanes
C.	aromatic compounds
D.	all of them
Answer» C. aromatic compounds

Discussion

23.	Non-polar alkanes do not react with
A.	polar compounds
B.	water
C.	base
D.	both A and B
Answer» E.

Discussion

24.	If alkane is supplied with plenty of oxygen it will undergo
A.	complete combustion
B.	substitution
C.	addition
D.	hydrolysis
Answer» B. substitution

Discussion

25.	A toxic gas which binds with human hemoglobin and inhibit oxygen binding to blood is
A.	oxygen
B.	carbon dioxide
C.	carbon monoxide
D.	nitrogen
Answer» D. nitrogen

Discussion

26.	Major portion of mixture of hydrocarbons like crude oil is composed of
A.	ester
B.	alcohol
C.	alkanes
D.	propane
Answer» D. propane

Discussion

27.	Double bond in ethene is formed from
A.	a sigma-bond
B.	a pi-bond
C.	lone pairs
D.	both A and B
Answer» E.

Discussion

28.	After bubbling through concentrated solution of any hydrogen halide, product obtained is
A.	halogen
B.	alkane
C.	halogen alkane
D.	halogen alkene
Answer» E.

Discussion

29.	If hydrogen and alkene are passed over finely divided nickel, it gives off
A.	alcohol
B.	alkanes
C.	aldehydes
D.	ketone
Answer» C. aldehydes

Discussion

30.	Useful alkenes for chemical industries is supplied by
A.	oil refineries
B.	coal mines
C.	oil wells
D.	flour mill
Answer» B. coal mines

Discussion

31.	Compounds of alkanes which are in high demands are
A.	gasoline fraction
B.	naphtha fraction
C.	both A and B
D.	gasohol
Answer» D. gasohol

Discussion

32.	Alcohols are produced by passing alkenes through
A.	steam
B.	acid
C.	base
D.	alkali
Answer» B. acid

Discussion

33.	Mixture of hexane and water is
A.	unreactive
B.	immiscible
C.	miscible
D.	both A and B
Answer» E.

Discussion

34.	Hydrocarbons contain
A.	carbon
B.	hydrogen
C.	both A and B
D.	oxygen
Answer» D. oxygen

Discussion

35.	Alkenes can be oxidized by help of powerful oxidizing agent, acidified
A.	potassium mangnate
B.	sodium mangnate
C.	calcium mangnate
D.	all of them
Answer» B. sodium mangnate

Discussion

36.	In combustion reactions alkanes react with
A.	oxygen
B.	nitrogen
C.	water
D.	all of them
Answer» B. nitrogen

Discussion

37.	A long chain made up of small repeating units is a
A.	polymer
B.	isomer
C.	isotope
D.	allotrope
Answer» B. isomer

Discussion

38.	Disposal of poly(ethene) bag is extremely difficult and it can cause pollution for coming
A.	years
B.	days
C.	months
D.	centuries
Answer» E.

Discussion

39.	Breaking of large less useful hydrocarbons into smaller less useful hydrocarbons is known as
A.	decomposition
B.	addition
C.	cracking
D.	breaking
Answer» D. breaking

Discussion

40.	Crude oil is a complex mixture of
A.	alkanes
B.	cycloalkanes
C.	aromatic compounds
D.	all of them
Answer» E.

Discussion

41.	Hydrocarbons are main source of
A.	petrol
B.	diesel
C.	kerosene
D.	all of them
Answer» E.

Discussion

42.	Wide range of different hydrocarbons are separated into fractions
A.	fractional decomposition
B.	fractional distillation
C.	fractional substitution
D.	fractional polarization
Answer» B. fractional distillation

Discussion

43.	Alkane molecules are not attacked by electrophiles or neutrophils because they are
A.	polar
B.	non-polar
C.	volatile
D.	unstable
Answer» C. volatile

Discussion

44.	Due to presence of double bonds, alkenes are
A.	unsaturated
B.	saturated
C.	polar
D.	non-polar
Answer» B. saturated

Discussion

45.	Carbon monoxide is a gas which is
A.	colorless
B.	odorless
C.	tasteless
D.	all of them
Answer» E.

Discussion

46.	Chlorination of alkanes is an example of
A.	Radical
B.	Elimination
C.	Free radical
D.	Addition
Answer» D. Addition

Discussion

47.	Liquid hydrocarbon is converted into gaseous hydrocarbon by:
A.	Oxidation
B.	Hydrolysis
C.	Cracking
D.	Distillation
Answer» D. Distillation

Discussion

48.	The hydrocarbon in which all the 4 valencies of carbon are fully occupied is called as
A.	Alkene
B.	Alkyne
C.	Alkane
D.	Cycloalkane
Answer» D. Cycloalkane

Discussion

49.	Name the process associated with acylation of benzene
A.	Friedel craft reaction
B.	Wurtz reaction
C.	Wurtz fitting reaction
D.	Debey Huckel reaction
Answer» B. Wurtz reaction

Discussion

50.	Calcium carbide on reaction with water gives?
A.	Methane
B.	Ethane
C.	propane
D.	Acetylene
Answer» E.

Discussion

Explore topic-wise MCQs in SRMJEEE .

Chlorination of alkanes is an example of __________

Liquid hydrocarbon is converted into gaseous hydrocarbon by __________

The hydrocarbon in which all the 4 valencies of carbon are fully occupied is called as __________

Name the process associated with acylation of benzene.

Calcium carbide on reaction with water gives?

“Methane is a product of aerobic respiration”.

Ethane is obtained by electrolyzing __________

The simplest member of organic compounds is?

Hydrocarbons are organic compounds with element __________

Generally&nbsp;alkanes&nbsp;are&nbsp;said&nbsp;to&nbsp;have&nbsp;been

Hydrocarbons&nbsp;containing&nbsp;double&nbsp;bonds&nbsp;are&nbsp;called

&nbsp;Layers&nbsp;of&nbsp;rock&nbsp;under&nbsp;surface&nbsp;of&nbsp;earth&nbsp;is&nbsp;present&nbsp;in

Lower&nbsp;molar&nbsp;mass&nbsp;of&nbsp;hydrocarbons&nbsp;have&nbsp;increased

Alkenes&nbsp;mostly&nbsp;follow&nbsp;reaction&nbsp;of

&nbsp;If&nbsp;ethene&nbsp;is&nbsp;reactant,&nbsp;then&nbsp;product&nbsp;will&nbsp;be

Alcoholic&nbsp;drinks&nbsp;are&nbsp;manufactured&nbsp;by&nbsp;fermentation&nbsp;of

Maximum&nbsp;number&nbsp;of&nbsp;hydrogen&nbsp;atoms&nbsp;are&nbsp;present&nbsp;in&nbsp;molecules&nbsp;of&nbsp;alkanes&nbsp;hence&nbsp;they&nbsp;are

Cars&nbsp;releases&nbsp;unburnt&nbsp;hydrocarbons,&nbsp;carbon&nbsp;monoxide,&nbsp;acidic&nbsp;nitrogen&nbsp;oxides&nbsp;and

Under&nbsp;certain&nbsp;conditions&nbsp;ethene&nbsp;molecule&nbsp;reacts&nbsp;to&nbsp;give

An&nbsp;estimated&nbsp;amount&nbsp;of&nbsp;10,000&nbsp;ethene&nbsp;monomers&nbsp;bond&nbsp;together&nbsp;to&nbsp;make&nbsp;polymer&nbsp;chain&nbsp;of

Carbon&nbsp;dioxide&nbsp;is

Hydrocarbons&nbsp;which&nbsp;contain&nbsp;ring&nbsp;of&nbsp;three&nbsp;or&nbsp;more&nbsp;carbon&nbsp;atoms&nbsp;are&nbsp;called

Non-polar&nbsp;alkanes&nbsp;do&nbsp;not&nbsp;react&nbsp;with

If&nbsp;alkane&nbsp;is&nbsp;supplied&nbsp;with&nbsp;plenty&nbsp;of&nbsp;oxygen&nbsp;it&nbsp;will&nbsp;undergo

&nbsp;A&nbsp;toxic&nbsp;gas&nbsp;which&nbsp;binds&nbsp;with&nbsp;human&nbsp;hemoglobin&nbsp;and&nbsp;inhibit&nbsp;oxygen&nbsp;binding&nbsp;to&nbsp;blood&nbsp;is

Major&nbsp;portion&nbsp;of&nbsp;mixture&nbsp;of&nbsp;hydrocarbons&nbsp;like&nbsp;crude&nbsp;oil&nbsp;is&nbsp;composed&nbsp;of

Double&nbsp;bond&nbsp;in&nbsp;ethene&nbsp;is&nbsp;formed&nbsp;from

After&nbsp;bubbling&nbsp;through&nbsp;concentrated&nbsp;solution&nbsp;of&nbsp;any&nbsp;hydrogen&nbsp;halide,&nbsp;product&nbsp;obtained&nbsp;is

If&nbsp;hydrogen&nbsp;and&nbsp;alkene&nbsp;are&nbsp;passed&nbsp;over&nbsp;finely&nbsp;divided&nbsp;nickel,&nbsp;it&nbsp;gives&nbsp;off

Useful&nbsp;alkenes&nbsp;for&nbsp;chemical&nbsp;industries&nbsp;is&nbsp;supplied&nbsp;by

Compounds&nbsp;of&nbsp;alkanes&nbsp;which&nbsp;are&nbsp;in&nbsp;high&nbsp;demands&nbsp;are

Alcohols&nbsp;are&nbsp;produced&nbsp;by&nbsp;passing&nbsp;alkenes&nbsp;through

Mixture&nbsp;of&nbsp;hexane&nbsp;and&nbsp;water&nbsp;is

&nbsp;Hydrocarbons&nbsp;contain

&nbsp;Alkenes&nbsp;can&nbsp;be&nbsp;oxidized&nbsp;by&nbsp;help&nbsp;of&nbsp;powerful&nbsp;oxidizing&nbsp;agent,&nbsp;acidified

&nbsp;In&nbsp;combustion&nbsp;reactions&nbsp;alkanes&nbsp;react&nbsp;with

A&nbsp;long&nbsp;chain&nbsp;made&nbsp;up&nbsp;of&nbsp;small&nbsp;repeating&nbsp;units&nbsp;is&nbsp;a

Disposal&nbsp;of&nbsp;poly(ethene)&nbsp;bag&nbsp;is&nbsp;extremely&nbsp;difficult&nbsp;and&nbsp;it&nbsp;can&nbsp;cause&nbsp;pollution&nbsp;for&nbsp;coming

&nbsp;Breaking&nbsp;of&nbsp;large&nbsp;less&nbsp;useful&nbsp;hydrocarbons&nbsp;into&nbsp;smaller&nbsp;less&nbsp;useful&nbsp;hydrocarbons&nbsp;is&nbsp;known&nbsp;as

Crude&nbsp;oil&nbsp;is&nbsp;a&nbsp;complex&nbsp;mixture&nbsp;of

&nbsp;Hydrocarbons&nbsp;are&nbsp;main&nbsp;source&nbsp;of

Wide&nbsp;range&nbsp;of&nbsp;different&nbsp;hydrocarbons&nbsp;are&nbsp;separated&nbsp;into&nbsp;fractions

&nbsp;Alkane&nbsp;molecules&nbsp;are&nbsp;not&nbsp;attacked&nbsp;by&nbsp;electrophiles&nbsp;or&nbsp;neutrophils&nbsp;because&nbsp;they&nbsp;are

Due&nbsp;to&nbsp;presence&nbsp;of&nbsp;double&nbsp;bonds,&nbsp;alkenes&nbsp;are

Carbon&nbsp;monoxide&nbsp;is&nbsp;a&nbsp;gas&nbsp;which&nbsp;is

Chlorination&nbsp;of&nbsp;alkanes&nbsp;is&nbsp;an&nbsp;example&nbsp;of

Liquid&nbsp;hydrocarbon&nbsp;is&nbsp;converted&nbsp;into&nbsp;gaseous&nbsp;hydrocarbon&nbsp;by:

The&nbsp;hydrocarbon&nbsp;in&nbsp;which&nbsp;all&nbsp;the&nbsp;4&nbsp;valencies&nbsp;of&nbsp;carbon&nbsp;are&nbsp;fully&nbsp;occupied&nbsp;is&nbsp;called&nbsp;as

&nbsp;Name&nbsp;the&nbsp;process&nbsp;associated&nbsp;with&nbsp;acylation&nbsp;of&nbsp;benzene

&nbsp;Calcium&nbsp;carbide&nbsp;on&nbsp;reaction&nbsp;with&nbsp;water&nbsp;gives?

Generally alkanes are said to have been

Hydrocarbons containing double bonds are called

Layers of rock under surface of earth is present in

Lower molar mass of hydrocarbons have increased

Alkenes mostly follow reaction of

If ethene is reactant, then product will be

Alcoholic drinks are manufactured by fermentation of

Maximum number of hydrogen atoms are present in molecules of alkanes hence they are

Cars releases unburnt hydrocarbons, carbon monoxide, acidic nitrogen oxides and

Under certain conditions ethene molecule reacts to give

An estimated amount of 10,000 ethene monomers bond together to make polymer chain of

Carbon dioxide is

Hydrocarbons which contain ring of three or more carbon atoms are called

Non-polar alkanes do not react with

If alkane is supplied with plenty of oxygen it will undergo

A toxic gas which binds with human hemoglobin and inhibit oxygen binding to blood is

Major portion of mixture of hydrocarbons like crude oil is composed of

Double bond in ethene is formed from

After bubbling through concentrated solution of any hydrogen halide, product obtained is

If hydrogen and alkene are passed over finely divided nickel, it gives off

Useful alkenes for chemical industries is supplied by

Compounds of alkanes which are in high demands are

Alcohols are produced by passing alkenes through

Mixture of hexane and water is

Hydrocarbons contain

Alkenes can be oxidized by help of powerful oxidizing agent, acidified

In combustion reactions alkanes react with

A long chain made up of small repeating units is a

Disposal of poly(ethene) bag is extremely difficult and it can cause pollution for coming

Breaking of large less useful hydrocarbons into smaller less useful hydrocarbons is known as

Crude oil is a complex mixture of

Hydrocarbons are main source of

Wide range of different hydrocarbons are separated into fractions

Alkane molecules are not attacked by electrophiles or neutrophils because they are

Due to presence of double bonds, alkenes are

Carbon monoxide is a gas which is

Chlorination of alkanes is an example of

Liquid hydrocarbon is converted into gaseous hydrocarbon by:

The hydrocarbon in which all the 4 valencies of carbon are fully occupied is called as

Name the process associated with acylation of benzene

Calcium carbide on reaction with water gives?