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ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry Online Test MCQs With Answers
Question # 1
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 # 2
The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called
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Functional isomers
Position isomers
Chain isomers
Metamers
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Question # 3
Select from the following which one is alcohol?
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CH
3
-CH
2
-OH
CH
3
-O-CH
3
CH
3
COOH
CH
2
-CH
2
-BR
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Question # 4
General formula of carbocyclic acids is:
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RCOH
RCOR
RCOOR
R-OH
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Question # 5
The open chain compounds are also called
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Aliphatic
Alicylic
Aromatic
Both a and b
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Question # 6
Peat before conversion to bituminous coal is converted to
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Lignite
Anthracite
Asphalt
None
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Question # 7
The distillation of coal at high temperature and in absence of air is called
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Vacuum distillation
Normal distillation
Fractional distillation
Destructive distillation
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Question # 8
The process in which one s and two p orbitals mix up with each other is called
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Sp-hybridization
Sp
2
-hybridization
Sp
3
-hybridization
Dsp
2
-hybridization
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Question # 9
The major portion of natural gas is
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Ethane
Propane
Butane
Methane
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Question # 10
The self linking property of carbon is called as
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Linking polymerization
Addition
Catenation
Elimination
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Question # 11
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 # 12
Vital force theory was rejected by
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Berzellius
Kolbe
Wholer
Lavoiser
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Question # 13
Unsaturated hydrocarbon containing a double bond are called
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paraffin
Alkanes
Olefins
Acetylene
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Question # 14
Which of the following is an aromatic compound
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Propanol
Cyclohexane
Acetone
Benezene
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Question # 15
The open chain compounds are also called
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Aliphatic
Alicylic
Aromatic
Both a and b
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Question # 16
Which gasoline is better?
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Of low boiling point
Of low molecular mass
Of high octane
All of these
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Question # 17
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0
1
2
3
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Question # 18
Acetylene had a characteristic ethereal smell resembling that of
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Ginger
Vinegar
Garlic
Onion
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Question # 19
In sp
2
type hybridization the three equivalent sp
2
orbitals lie in the same plane and at angle of
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0
°
60
°
120
°
180
°
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Question # 20
When a compound X is passed through a dilute alkaline solution of KMnO
4
the pink colour of solution is discharged. The compound X is possbibly
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Methane
Ethane
Ethene
Benzene
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Question # 21
Catenation is a process in which carbon shows the properties of making
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Multiple bonds
Hybridization
Long chains or rings of carbon atom
Showing isomerism
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Question # 22
Functional group of ketones is:
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---CHO
---CO---
---C
≡ N
---COOH
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Question # 23
Which set of hybrid orbitals has planar triangular shape
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sp
3
sp
sp
2
dsp
2
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Question # 24
Cracking products are :
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Only alkanes
Only alkenes
Alkanes and alkenes
Alkynes
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Question # 25
The atom other than C in a hetrocyclic compound is called as
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Hetroatom
Hetroion
Hetromolecule
Hetroelement
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Question # 26
The general formula for alkenes is
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C
n
H
2n+1
C
n
H
2n+2
C
n
H
2n
C
n
H
2n-2
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Question # 27
Which of the following pair contains isomers of each other
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Propanoic acid and propanone
Acetone and acetaldehyde
Ethyl alcohol and diethyl ether
Methyl alcohol and dimethyl ether
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Question # 28
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 # 29
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2, 2, 4-trimethylpentane
2, 4, 4-trimethylpentane
2, 4, 4-methyepentane
2, 2, 4-methylpentane
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Question # 30
The formula of esters is
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Question # 31
Polythene is a polymer of
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Ethane
Ethene
Acetone
Propylene
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