ECAT Pre Engineering Chemistry Chapter 19 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

Try The MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

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ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

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Question # 1

Which of the following acid can be used as a catalyst in Friedal Craft's reactions

Question # 2

The empirical formula of benzene is determined by

Question # 3

Kolb's method of alkanes production, is actually

Question # 4

The saturated hydrocarbons usually end with suffix ______

Question # 5

The term aromatic was derives from

Question # 6

The sp2hybird orbitals are oriented in space at one angle

Question # 7

The next homologue of C10H22will be

Question # 8

Alkanes are gases :

Question # 9

When methane reacts with Cl2in the presence of diffused light the products obtained are?

Question # 10

Complete combustion of alkane yields

Question # 11

B-B'-dichloroethyl sulphide is commonly known as

Question # 12

Alkanes are generally not reactive towards acids, alkalis, oxidation or reuducing agents. They however undergo some reactions, which one is the reaction undergone by alkanes

Question # 13

Polymerization of ethane take place at pressure of 100 atm and a temperature of

Question # 14

Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?

Question # 15

Which is the used as test for the presence of alkenes

Question # 16

Synthetic rubber is made by polymerization of

Question # 17

Alkanes containing carbon C18ownwards are

Question # 18

Which is symmetric alkene?

Question # 19

Synthesis rubber is made by polymerization :

Question # 20

The carbon, carbon bond length in benzene is

Question # 21

Which is liquid among the following alkenes?

Question # 22

Alkyl benzenes are readily oxidized by axidfied

Question # 23

Nitroalkane are used in

Question # 24

The Total coal resources of Pakistan are estimated to be

Question # 25

CnH2nis the general formula of

Question # 26

The difference between amount of heat actually released and that of calculated is called

Question # 27

Which reaction is too vigorous to control

Question # 28

During the preparation of alkynes the active metals that react with tetra halo-alkanes are

Question # 29

Th IUPAC name of the compound having formula (CH3) 3 C - CH = CH2 is

Question # 30

The benzene molecule contains

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ECAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 The major reaction occurring in the engines of automobiles is
A. Oxidation
B. Reducing
C. Combustion
D. Decomposition
2 Substitution of halogen in the benzene ring requires catalyst
A. AlCl3
B. FeCl3
C. SiO2
D. Organo - nickel
3 Which class of compound is more reactive
A. Alkane
B. Alkene
C. Alkyne
D. None
4 Acetylene is used in the manufacture of
A. Rubber
B. Plastic
C. Ethyle alcohol
D. All of these
5 The elimination of HX from adjacent carbon atoms is called
A. Halogenations
B. Hydrohalogenation
C. Dehydrohalogenation
D. Hydration
6 The four bonds of carbon in methane are directed towards the corners of
A. Cube
B. Pentagon
C. Hexagon
D. Tetrahedron
7 C18and onward hydrocarbons are normally
A. Gases
B. Liquids
C. Solids
D. Plasma
8 Eletronegativity difference in C-C bond in alkanes is:
A. Zero
B. Double
C. Half
D. 4.0
9 The geometry of acetylene is
A. Angular
B. Bent
C. Trigonal
D. Linear
10 Which gas is produced by treating CaC2with water
A. Methane
B. Ethane
C. Acetylene
D. HCI

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