More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons Online Test MCQs With Answers
Question # 1
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
Previous
Skip
Next
Question # 2
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
Previous
Skip
Next
Question # 3
An alkane is produced when an alkyle halide reacts with zinc in the presence of
Choose an answer
HCl
CH
3
COOH
Both a & b
None
Previous
Skip
Next
Question # 4
The major reaction occurring in the engines of automobiles is
Choose an answer
Oxidation
Reducing
Combustion
Decomposition
Previous
Skip
Next
Question # 5
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
Previous
Skip
Next
Question # 6
Alkanes are soluble in all except
Choose an answer
Benzene
Ether
Water
Carbon tetra chloride
Previous
Skip
Next
Question # 7
Choose an answer
4-methyl pentene
2-methyle-1-butene
2-methyl propane
None of the above
Previous
Skip
Next
Question # 8
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
Previous
Skip
Next
Question # 9
The benzene molecule contains
Choose an answer
Three double bonds
Two double bonds
One double bonds
Delocalizedπ-electron charge
Previous
Skip
Next
Question # 10
Introduction of a second methyl group in methylbenzene will give how many isomeric dimethyllenzenes
Choose an answer
2
1
3
4
Previous
Skip
Next
Question # 11
The C-C bond angles in benzene ring are
Choose an answer
119
°
120
°
121
°
None
Previous
Skip
Next
Question # 12
The next homologue of C
10
H
22
will be
Choose an answer
C
9
H
20
C
12
H
26
C
11
H
24
C
13
H
28
Previous
Skip
Next
Question # 13
Ethylene polymerizes at 100 atm pressure and 400°C to give
Choose an answer
Polybenzene
Polyalcohol
Polypropylene
Polyethylene
Previous
Skip
Next
Question # 14
Reaction of ethanes with KMnO
4
gives:
Choose an answer
Ozonide
Glyoxal
Glycol
Oxalic acid
Previous
Skip
Next
Question # 15
A salt producing hydrocarbon among these compounds is
Choose an answer
Ehyne
Ethene
Methane
Ethane
Previous
Skip
Next
Question # 16
Synthesis of rubber is made by polymerization of
Choose an answer
Chloroform
Acetylene
Divinylacetylene
Butene
Previous
Skip
Next
Question # 17
The presence of a double bond in a compound is the sign of
Choose an answer
Saturation
Unsaturation
Substitution
None of above
Previous
Skip
Next
Question # 18
During reaction of O
2
and alkenes, a product:
Choose an answer
Glycol
Epxide
Halohydrin
Ethylene glycol
Previous
Skip
Next
Question # 19
Toluene is also called
Choose an answer
Hydroxyl benzene
Methyl benzene
ethyl benzene
None
Previous
Skip
Next
Question # 20
Ethylene combines with water in the presence of H
2
SO
4
+ HgSO
4
and forms
Choose an answer
Ethyle chloride
Ethyle alcohol
Carboxylic acid
None of these
Previous
Skip
Next
Question # 21
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
Previous
Skip
Next
Question # 22
When sodium benzoate is treated with soda lime (NaOH) benzene is formed. What is the other product
Choose an answer
Na
2
CO
3
NaHCO
3
Ca(OH)
2
CaCO
3
Previous
Skip
Next
Question # 23
B-B'-dichloroethyl sulphide is commonly known as
Choose an answer
Mustard gas
Laughing gas
Phosgene gas
Bio gas
Previous
Skip
Next
Question # 24
Free radical mechanism of halogenation of alkanes follow step:
Choose an answer
Initiation
Propagation
Termination
All of these
Previous
Skip
Next
Question # 25
During nitration of benzene, the active nitrating agent is
Choose an answer
NO3
NO2+
NO2-
HNO3
Previous
Skip
Next
Question # 26
Aromatic hydrocarbons are the derivatives of
Choose an answer
Normal series of paraffins
Alkene
Benzene
Cyclohexane
Previous
Skip
Next
Question # 27
Benzene is obtained by fractional distillation of
Choose an answer
Heavy oil
Anthracene oil
Middle oil
Light oil
Previous
Skip
Next
Question # 28
The presence of a double bond in a compound in the sign of:
Choose an answer
Saturation
Unsaturation
Subsitution
None
Previous
Skip
Next
Question # 29
Substitution of halogen in the benzene ring requires catalyst
Choose an answer
AlCl
3
FeCl
3
SiO
2
Organo - nickel
Previous
Skip
Next
Question # 30
Alkanes containing carbon C
18
ownwards are
Choose an answer
Gases
Liquids
Waxy solids
Solids
Previous
Skip
Next
Question # 31
All are ortho & Para directing except
Choose an answer
X
OH
NR
3
NH
2
Previous
Skip
Next
Back