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

Hybridzation explain the --------- of orbitals

Question # 2

Quality of fuel is judged from its octane number. The best fuels are

Question # 3

At present oil refineries in Pakistan are:

Question # 4

Peat contains about

Question # 5

Which statement is true about a free radical

Question # 6

Which is not a nucleophile

Question # 7

The general formula of saturated alicyclic hydrocarbons is:

Question # 8

Hydrocarbons contain

Question # 9

Number of isomers of butane are:

Question # 10

A double bond consists of

Question # 11

Vital force theory was rejected by

Question # 12

type of hybridization in CH≡CH is:

Question # 13

Identify the heterocyclic compound

Question # 14

The chemist who synthesized urea from ammonium cyanate was

Question # 15

Select from the following the one which alcohol

Question # 16

The active part in a molecule is called

Question # 17

The process in which orbitals of different energies and shapes mix up with each other to give equivalent is called,

Question # 18

The formula of ketone is

Question # 19

Source of organic compounds primarily is:

Question # 20

Which of the following is an electrophile

Question # 21

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

Question # 22

Cracking done at low pressure and with a catalyst is called _______ cracking

Question # 23

Major component of natural gas is:

Question # 24

Linear geometry is present in:

Question # 25

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

Question # 26

Which one of the followings is a heterocyclic compound

Question # 27

The active part in a molecule is called

Question # 28

Cracking products are :

Question # 29

A double bond consists of:

Question # 30

The chemist who synthesized urea form ammonia cyanate was:

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ECAT Chemistry Chapter 18 Important MCQ's

Sr.# Question Answer
1 The active part in a molecule is called
A. Hetroatom
B. Functional group
C. Chemical bond
D. Ion
2 Which of the following posses linear geometry
A. Alkane
B. Alkene
C. Alkyne
D. Benzene
3 Hydrocarbons contain
A. C and S only
B. C and H only
C. C, H, and O only
D. C, H, O and N only
4 Normal by product of cracking is
A. Ethane
B. Butane
C. Benzene
D. All of them
5 How many structural acid cis-trans isomers are there for dichloroprepe, C3H4Cl2
A. 3
B. 5
C. 6
D. 7
6 Which of the following compounds contains a triple bond?
A. Alkane
B. Alkene
C. Alkyne
D. Benzene
7 Identify the hydrocarbon formed, when ethyl bromide reacts with, alcoholic KOH at 100°
A. Methane
B. Ethane
C. Ethene
D. Ethyne
8 The state of hybridization of carbon atom in methane is
A. sp3
B. sp2
C. sp
D. dsp2
9 Which of the following pair contains isomers of each other
A. Propanoic acid and propanone
B. Acetone and acetaldehyde
C. Ethyl alcohol and diethyl ether
D. Methyl alcohol and dimethyl ether
10 The active part in a molecule is called
A. Homologous series
B. Functional group
C. Chemical bonding
D. Ionic complex

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