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

00:00
Question # 1

Which reaction produces a free radical

Question # 2

At present oil refineries in Pakistan are:

Question # 3

General formula of carbocyclic acids is:

Question # 4

The compounds which have any atom other than Carbon atom, in rings are called as

Question # 5

Replacement of hydrogen atom by - SO3H group in benzene is called

Question # 6

In a heterollytic bond fission reaction

Question # 7

The self linking property of carbon is called as

Question # 8

Which of the following expressions show a heterolytic bond fission

Question # 9

Unsaturated hydrocarbon containing a double bond are called

Question # 10

The major portion of natural gas is

Question # 11

Closed chain compound can be classified into

Question # 12

Identify the compound formed, when ethylene combines with water in the presence of 10% sulphuric acid and HgSO4as catalyst

Question # 13

The chemist who synthesized urea form ammonia cyanate was:

Question # 14

Alkanes normally have ______ hybridization

Question # 15

Sp3 hybridization occurs when carbon is bound to

Question # 16

The open chain compounds are also called

Question # 17

1-butene an 2-butene are an example of

Question # 18

Vital force theory was rejected by

Question # 19

Which of the following pair contains isomers of each other

Question # 20

The structure of benzene is

Question # 21

The formula of ketone is

Question # 22

Homologues differ from each other by an integral number of

Question # 23

The essential component of organic compound is

Question # 24

In ter-butyl alcohol, the tertiary carbon is bonded to

Question # 25

Which is not the poplar reaction

Question # 26

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

Question # 27

Organic compounds generally react at ______ rates

Question # 28

Select from the following the one which alcohol

Question # 29

Compounds having the same molecular formula, but different functional groups show

Question # 30

Source of organic compounds primarily is:

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ECAT Chapter 18 Important MCQ's

Sr.# Question Answer
1 A double bond consists of
A. Two sigma bonds
B. One sigma and one Pi bond
C. One sigma and two Pi bonds
D. Two Pi bonds
2 Cracking done at low pressure and with a catalyst is called _______ cracking
A. Thermal
B. Catalytic
C. Steam
D. None of them
3 Which statement is true about a free radical
A. An atom with a positive charge
B. An atom with a negative charge
C. An atom with a lone pair of electrons
D. An atom with unpaired electron
4 The general formula for alkenes is
A. CnH2n+1
B. CnH2n+2
C. CnH2n
D. CnH2n-2
5 The distillation of coal at high temperature and in absence of air is called
A. Vacuum distillation
B. Normal distillation
C. Fractional distillation
D. Destructive distillation
6 The catalyst,. which is used as specialist for cracking, are
A. Aluminates
B. Alumlnosilicates
C. Aluminium slats
D. All can be used
7 I-Chloropropane has two isomers, it is an example of
A. Chain isomerism
B. Position isomerism
C. Functional group isomerism
D. Metamerism
8 Replacement of hydrogen atom by - SO3H group in benzene is called
A. Nitration
B. Alkylation
C. Sulphonation
D. Acylation
9 Type of isomerism in BrCH=CHBr is:
A. Structural isomerism
B.
Conformational isomerism
C. Geometrical isomerism
D. Positional isomerism
10 Peat contains about
A. 60% carbon
B. 80% carbon
C. 78% carbon
D. 50% carbon

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