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
Complete combustion of alkane yields
Choose an answer
CO
2
+ H
2
O
CO
2
+ heat
CO + H
2
O heat
CO
2
+ H
2
O + heat
Previous
Skip
Next
Question # 2
Marsh gas was the name given to
Choose an answer
Methane
Ethane
Propane
Butane
Previous
Skip
Next
Question # 3
The method involved for electrolysis of Na or K salts of carboxylic acids
Choose an answer
Sabatier's sendrens reaction
Kolbe's method
Clemmensen
Wolf kishner reduction
Previous
Skip
Next
Question # 4
Choose an answer
2-bromonitrobenzene
2-nitrobromobenzene
1-bromonitrobenzene
1-nitrobromobenzene
Previous
Skip
Next
Question # 5
A salt producing hydrocarbon among these compounds is
Choose an answer
Ehyne
Ethene
Methane
Ethane
Previous
Skip
Next
Question # 6
Preparation of vegetable ghee involves:
Choose an answer
Halogenation
Hydrogenation
Hydroxylation
Dehydrogenation
Previous
Skip
Next
Question # 7
Alkanes are generally not reactive towards acids, alkalis, oxidation or reuducing agents. They however undergo some reactions, which one is the reaction undergone by alkanes
Choose an answer
Elemination
Addition
Free radical substitution
Nucleophilic substation
Previous
Skip
Next
Question # 8
In CH
4
, all the H-C-H bond angles are
Choose an answer
120°
107°
109°
109.5°
Previous
Skip
Next
Question # 9
Which of the following acid can be used as a catalyst in Friedal Craft's reactions
Choose an answer
AlCl
3
HNO
3
BeCl
2
NaCl
Previous
Skip
Next
Question # 10
During reaction of O
2
and alkenes, a product:
Choose an answer
Glycol
Epxide
Halohydrin
Ethylene glycol
Previous
Skip
Next
Question # 11
Benzene does not undergo polymerization and it is also resistant to
Choose an answer
Reduction
Oxidation
Alkylation
Ozonolysis
Previous
Skip
Next
Question # 12
Write the name of following compound
Choose an answer
5 - methyle - 2- hexene
2 - methyle hexene
4 - ethyle - 2 - methyle hexene
3 - ethyle - 3 - methyl hexene
Previous
Skip
Next
Question # 13
Which of the following method is most appropriate for the manufacture of methane?
Choose an answer
By reduction of CH2CL2
Wurtz reaction
Liquification of natural gas
None of these
Previous
Skip
Next
Question # 14
Alkyne is :
Choose an answer
CH
3-
CH
3
CH
4
CH
2=
CH
2
C
2
H
2
Previous
Skip
Next
Question # 15
Which of the following substances is used as an antiknock compound?
Choose an answer
Tetraethyl lead
Lead tetrachloride
Lead acetate
Ethyle acetate
Previous
Skip
Next
Question # 16
Which reaction is too vigorous to control
Choose an answer
Chlorination
Bromination
Iodination
Fluorination
Previous
Skip
Next
Question # 17
Which of the following possesses the highest melting point?
Choose an answer
Chlorobenzene
0-Dichlorobenzene
m-Dichlorobenzene
p-Dichlorobenzene
Previous
Skip
Next
Question # 18
Ethylene can be prepared in the laboratory by heating together ethyl alcohol and
Choose an answer
HCI
Phenol
HF
H
2
SO
4
Previous
Skip
Next
Question # 19
Alkyl benzenes are readily oxidized by axidfied
Choose an answer
KMnO
4
K
2
CO
3
MnO
4
H
2
SO
4
Previous
Skip
Next
Question # 20
Benzene is prepared from n-hexane in the presence of catalyst
Choose an answer
Cr
2
O
3
Al
2
O
3
SiO
2
All above
Previous
Skip
Next
Question # 21
The Total coal resources of Pakistan are estimated to be
Choose an answer
184 billion
184 million tones
1.84 billion tounes
1.84 million tonnes
Previous
Skip
Next
Question # 22
Vinyl acetylene combines with HCI to form
Choose an answer
Poly acetylene
Benzene
Chloroprene
Divinylacetylene
Previous
Skip
Next
Question # 23
Benzene is obtained by fractional distillation of
Choose an answer
Heavy oil
Anthracene oil
Middle oil
Light oil
Previous
Skip
Next
Question # 24
Which of the following is an ortho-para directing group
Choose an answer
Previous
Skip
Next
Question # 25
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 # 26
Which is liquid among the following alkenes?
Choose an answer
Ethane
Propene
Butene
Pentene
Previous
Skip
Next
Question # 27
The general formula of alkane is
Choose an answer
C
n
H
2n+2
C
n
H
n
C
n
H
2n
C
2
H
2n-1
Previous
Skip
Next
Question # 28
The electron releasing effect of methyl group is significant and it makes ring a good
Choose an answer
Electrophilic
Nucleophilic
Nucleophobic
Hydrophobic
Previous
Skip
Next
Question # 29
The elimination of HX from adjacent carbon atoms is called
Choose an answer
Halogenations
Hydrohalogenation
Dehydrohalogenation
Hydration
Previous
Skip
Next
Question # 30
Which is symmetric alkene?
Choose an answer
CH=C-CH
2
CH
≡CH
CH
3
-C
≡C - CH
3
B and C
Previous
Skip
Next
Question # 31
"Each different compound should have a different name" was published by IUPAC system of nomenclature in
Choose an answer
1892
1830
1947
1979
Previous
Skip
Next
Back