ECAT Pre Engineering Chemistry Chapter 18 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry

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ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry

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Question # 1

Wholer prepared urea from

Question # 2

A free radical reaction takes place in three steps, initiation, propagation and terminations. Which of the following expression represents a propagation step

Question # 3

Geographical survey of Pakistan estimates about billion tons of coal in Pakistan:

Question # 4

I-Chloropropane has two isomers, it is an example of

Question # 5

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

Question # 6

Closed chain compound can be classified into

Question # 7

Due to the bacterial action on wood it is converted into

Question # 8

Fossil fuels consist of :

Question # 9

How many structural acid cis-trans isomers are there for dichloroprepe, C3H4Cl2

Question # 10

The state of hybridization of carbon atom in methane is

Question # 11

Which is the chain isomer of n-pentane

Question # 12

Diversity of organic compounds in millions is:

Question # 13

Number of isomers of butane are:

Question # 14

The quality of petroleum is determined by

Question # 15

Source of organic compounds primarily is:

Question # 16

The essential component of organic compound is

Question # 17

Self linkage of carbon to produce long chains

Question # 18

Acetylene had a characteristic ethereal smell resembling that of

Question # 19

The functional group of acid amide is

Question # 20

The chemist who synthesized urea form ammonia cyanate was:

Question # 21

Which is a mixture of low boiling hydrocarbon

Question # 22

The active part in a molecule is called

Question # 23

Which of the following pair contains isomers of each other

Question # 24

The rotation of two carbon atoms joined by double bond would happened only if

Question # 25

Which of the following has linear shape?

Question # 26

n-butane and iso butane are an example of

Question # 27

1-butene an 2-butene are an example of

Question # 28

Which of the following compounds contains a triple bond?

Question # 29

In t-butyl alcohol, the tertiary carbon is bonded to:

Question # 30

When a carbon atom forms single bonds with other carbon atoms, these hybrid orbitals overlap with the orbitals of hydrogen to form four bonds which are

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ECAT Chemistry Chapter 18 Important MCQ's

Sr.# Question Answer
1 Rates of organic reactions are
A. Fast
B. Very fast
C. Slow
D. Non-reactive
2 Alkynes normally have ______ hybridization
A. Sp
B. Sp2
C. SP3
D. d sp3
3 Compounds of carbon and hydrogen in which the tetra valency of carbon is fully satisfied are called,
A. Saturated
B. Un-saturated
C. Magnetic
D. Para-magnetic
4 Peat before conversion to bituminous coal is converted to
A. Lignite
B. Anthracite
C. Asphalt
D. None
5 Which of the following compounds contains a triple bond?
A. Alkane
B. Alkene
C. Alkyne
D. Benzene
6 Which of the following is an electrophile
A. Bromine
B. KBr
C. NH3
D. Benzene
7 Which of these always applies to a nucleophile
A. It attacks a double bond
B. It has a lone pair of electrons
C. It is single atom
D. It is negatively charged
8 Closed chain compound can be classified into
A. Homocyclic
B. Hetrocyclic
C. Aliphatic
D. Both a and b
9 Normal by product of cracking is
A. Ethane
B. Butane
C. Benzene
D. All of them
10 The major portion of natural gas is
A. Ethane
B. Propane
C. Butane
D. Methane

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