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 of the following expressions show a heterolytic bond fission

Question # 2

In alkynes the bonds between carbon atoms are

Question # 3

Products of coal is:

Question # 4

Closed chain compound can be classified into

Question # 5

The branch of chemistry which deals with the study of compounds containing carbon as an essential elements is called

Question # 6

n-butane and iso butane are an example of

Question # 7

Diversity of organic compounds in millions is:

Question # 8

When a compound X is passed through a dilute alkaline solution of KMnO4the pink colour of solution is discharged. The compound X is possbibly

Question # 9

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

Question # 10

Sp3 hybridization occurs when carbon is bound to

Question # 11

Which of these always applies to a nucleophile

Question # 12

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

Question # 13

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

Question # 14

At present oil refineries in Pakistan are:

Question # 15

On passing ethane into concentrated suphuric acid the intermediate compound formed on hydrolysis with boiling water gives

Question # 16

A double bond consists of

Question # 17

The characteristic reactions of alkanes are

Question # 18

Angle 120° is observed in molecules :

Question # 19

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

Question # 20

Identify the hydrocarbon formed, when ethyl bromide reacts with, alcoholic KOH at 100°

Question # 21

The gasoline having octane No. 100 has ______

Question # 22

Cracking products are :

Question # 23

The major portion of natural gas is

Question # 24

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

Question # 25

Due to the bacterial action on wood it is converted into

Question # 26

In a heterollytic bond fission reaction

Question # 27

Source of organic compounds primarily is:

Question # 28

Type of isomerism in BrCH=CHBr is:

Question # 29

Which reaction produces a free radical

Question # 30

Functional group of ketones is:

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ECAT Chemistry Chapter 18 Important MCQ's

Sr.# Question Answer
1 The gasoline having octane No. 100 has ______
A. More knocking
B. Less knocking
C. No knocking
D. Only knocking
2 Alkynes normally have ______ hybridization
A. Sp
B. Sp2
C. SP3
D. d sp3
3 The active part in a molecule is called
A. Homologous series
B. Functional group
C. Chemical bonding
D. Ionic complex
4 The state of hybridization of carbon atom in methane is
A. sp3
B. sp2
C. sp
D. dsp2
5 Select from the following which one is alcohol?
A. CH3-CH2-OH
B. CH3-O-CH3
C. CH3COOH
D. CH2-CH2-BR
6 The chemist who synthesized urea from ammonium cyanate was
A. Berzelius
B. Kolbe
C. Wholer
D. Lavoisier
7 Which of the following posses linear geometry
A. Alkane
B. Alkene
C. Alkyne
D. Benzene
8 At present oil refineries in Pakistan are:
A. One
B. Two
C. Three
D. Four
9 When a compound X is passed through a dilute alkaline solution of KMnO4the pink colour of solution is discharged. The compound X is possbibly
A. Methane
B. Ethane
C. Ethene
D. Benzene
10 Normal by product of cracking is
A. Ethane
B. Butane
C. Benzene
D. All of them

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