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

The molecule of ethane possess which hybrization

Question # 2

Formula of chloroform is:

Question # 3

Kolb's method is not useful for the production of

Question # 4

Alkanes are least reactive towards:

Question # 5

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

Question # 6

Introduction of a second methyl group in methylbenzene will give how many isomeric dimethyllenzenes

Question # 7

The simplest and the parent members of aromatic hydrocarbon is

Question # 8

The hydrocarbon used for polymerization is

Question # 9

Alkyl benzenes are readily oxidized by axidfied

Question # 10

During nitration of benzene, the active nitrating agent is

Question # 11

Alkanes containing carbon C18ownwards are

Question # 12

The empirical formula of benzene is determined by

Question # 13

The sp2hybird orbitals are oriented in space at one angle

Question # 14

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

Question # 15

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

Question # 16

Substituted phenyl groups are called

Question # 17

The hydrocarbon which is used as an illuminating agent

Question # 18

Benzene is obtained by fractional distillation of

Question # 19

Acetylene gives

Question # 20

In CH4, all the H-C-H bond angles are

Question # 21

Benzene does not undergo polymerization and it is also resistant to

Question # 22

The benzene molecule contains

Question # 23

Kolb's method of alkanes production, is actually

Question # 24

The major reaction occurring in the engines of automobiles is

Question # 25

Most common reactions of benzene and its derivatives are

Question # 26

Vinyl acetylene combines with HCl to form:

Question # 27

Which decolourizes the colour of Br3

Question # 28

Formula of chloroform is

Question # 29

Marsh gas was the name given to

Question # 30

The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule

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ECAT Class Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 Write the name of following alkene CH2= CH - CH = CH2
A. 1,3 butadiene
B. Butra -1, 3-diene
C. Both a & b
D. None
2 Substitution of halogen in the benzene ring requires catalyst
A. AlCl3
B. FeCl3
C. SiO2
D. Organo - nickel
3 Which of the following decolorized Br2-water
A. Methane
B. Ethane
C. Ethene
D. Propane
4 C18and onward hydrocarbons are normally
A. Gases
B. Liquids
C. Solids
D. Plasma
5 When alkyl is treated with chlorine in the presence of sunlight
A. 1,3 dichloroproduct is formed
B. 1,4 dichloro product is formed
C. 1,3,5 trichloro product is formed
D. Only alkyl group is substituted
6 How many molecules of chlorine adds in benzene in the presence of sunlight
A. One
B. Two
C. Three
D. Four
7 Benzene reacts with ozone and gives
A. Glycerin
B. Glyoxal
C. Maleic anhydride
D. Benzoic acid
8 Nitroalkane are used in
A. Fuel
B. Solvents
C. Organic synthesis
D. All of them
9 How many isomeric disubtituted products are obtained by the introducing of second group in the ring
A. Two
B. Three
C. Four
D. None
10 Formula of chloroform is:
A. CH3Cl
B. CCl4
C. CH2Cl2
D. CHCl3

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