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Online Tests
ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry Online Test MCQs With Answers
Question # 1
The general formula of saturated alicyclic hydrocarbons is:
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C
n
H
n
C
n
H
2n
C
n
H
2n+2
C
n
H
2n-1
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Question # 2
Select from the following the one which alcohol
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Question # 3
Types of cracking are:
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Thermal
Catalytic
Steam
All a, b ,c
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Question # 4
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3
4
5
2
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Question # 5
Identify the compound which has a bond angle of 109.5
°
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Ethyne
Ethere
Methane
Benzene
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Question # 6
Organic compounds resemble to those of inorganic compounds having same
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Ionic properties
Carbon forming long chain or rings
Chemical forces
Isomerism
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Question # 7
I-Chloropropane has two isomers, it is an example of
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Chain isomerism
Position isomerism
Functional group isomerism
Metamerism
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Question # 8
Which statement is true about a free radical
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An atom with a positive charge
An atom with a negative charge
An atom with a lone pair of electrons
An atom with unpaired electron
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Question # 9
Who rejected the vital force theory
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Wholer
Fisher
Newton
Lewis
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Question # 10
In ter-butyl alcohol, the tertiary carbon is bonded to
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Two hydrogen atoms
Three hydrogen atoms
One hydrogen atoms
No hydrogen atom
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Question # 11
Functional group of ketones is:
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---CHO
---CO---
---C
≡ N
---COOH
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Question # 12
In the presence of high temperature and pressure peat is converted to:
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Lignite
Polymorphism
Polymerization
Catenation
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Question # 13
The state of hybridization of carbon atom in methane is:
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sp
3
sp
2
sp
dsp
2
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Question # 14
The quality of petroleum is determined by
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Decane number
Octane number
Nexane number
None of these
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Question # 15
In t-butyl alcohol, the tertiary carbon is bonded to:
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Two hydrogen atom
Three hydrogen atoms
One hydrogen atoms
No hydrogen atoms
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Question # 16
Compounds of carbon and hydrogen in which the tetra valency of carbon is fully satisfied are called,
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Saturated
Un-saturated
Magnetic
Para-magnetic
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Question # 17
Peat before conversion to bituminous coal is converted to
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Lignite
Anthracite
Asphalt
None
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Question # 18
Unsaturated hydrocarbon containing a double bond are called
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paraffin
Alkanes
Olefins
Acetylene
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Question # 19
The open chain compounds are also called
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Aliphatic
Alicylic
Aromatic
Both a and b
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Question # 20
Coal heated in the absence of air of about 500 - 1000
°C is converted to
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Coke
Coal gas
Coal tar
All above
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Question # 21
How many structural acid cis-trans isomers are there for dichloroprepe, C
3
H
4
Cl
2
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3
5
6
7
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Question # 22
Carboxylic acid, ester, amide and amino groups are shown. Which is the correct description of these functional groups
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Question # 23
The chemist who synthesized urea form ammonia cyanate was:
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Berzelius
Kolbe
Wohler
Lavoiser
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Question # 24
On passing ethane into concentrated suphuric acid the intermediate compound formed on hydrolysis with boiling water gives
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Methyl alcohol
Ethyl alcohol
Ethyl hydrogen sulphate
Methyl hydrogen sulphate
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Question # 25
Linear shape is associated with set of hybrid orbitals?
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sp
sp2
sp3
dsp2
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Question # 26
Benzene is an example of
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Aromatic compound
Cyclic compound
Aliphatic compound
A cyclic compound
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Question # 27
Products of coal is:
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Peat
Lignite
Bituminous coal
All above
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Question # 28
Major component of natural gas is:
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Ethane
Ethene
Propane
Methane
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Question # 29
Quality of fuel is judged from its octane number. The best fuels are
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Straight chain hydrocarbons
Branched chain hydrocarbons
Cyclic compounds
Compounds containing benzene ring
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Question # 30
The self linking property of carbon is called as
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Linking polymerization
Addition
Catenation
Elimination
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Question # 31
The bond angle between hydrogen atoms and carbon in alkane is
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104.5
°
107.5
°
109.5
°
120.5
°
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