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 simplest and the parent members of aromatic hydrocarbon is

Question # 2

Acetylene when treated with 10% H2SO4in the presence of HgSO4adds one molecule of water to form

Question # 3

The method in which alkanes prepared by alkyle halides in the presence of palladium - charcoal is

Question # 4

The hydrocarbons having double bonds normally end with suffix

Question # 5

The hydrocarbon which is used as an illuminating agent

Question # 6

Nitroalkane are used in

Question # 7

An organic compound, on treatment with Br2 in CC14 gives bromoderivative of an alkene. The compound will be

Question # 8

Alkanes are gases :

Question # 9

Which of the following is not an ortho-para directing group

Question # 10

Which one gives acidic reactions?

Question # 11

"Each different compound should have a different name" was published by IUPAC system of nomenclature in

Question # 12

Most common reactions of benzene and its derivatives are

Question # 13

The nitration of benzene takes place when it is heated with a mixture of conc.HNO3and conc. H2SO4at 50°C in ratio of

Question # 14

Benzene is obtained by fractional distillation of

Question # 15

β-β- dichloroethyle sulphide is commonly known as:

Question # 16

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

Question # 17

When alkyl is treated with chlorine in the presence of sunlight

Question # 18

Kolb's method is not useful for the production of

Question # 19

Hybridization in alkanes is:

Question # 20

Hydrocarbons are organic compounds which contain elements such as

Question # 21

Acetylene is used in the manufacture of

Question # 22

Preparation of vegetable ghee involves:

Question # 23

Which gas is produced by treating CaC2with water

Question # 24

To differentiate isomers we use

Question # 25

Sp3hybird orbitals are oriented at an angle of

Question # 26

A single benzene ring can have ______ ortho position maximally

Question # 27

Alkanes have functional group :

Question # 28

The general formula of alkane is

Question # 29

Which of the following decolorized Br2-water

Question # 30

The method involved for electrolysis of Na or K salts of carboxylic acids

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ECAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 Ethylene polymerizes at 100 atm pressure and 400°C to give
A. Polybenzene
B. Polyalcohol
C. Polypropylene
D. Polyethylene
2 Which gas is used for welding purposes
A. Butane
B. Nitrogen
C. Methane
D. Acetylene
3 The order of dehydration of alcohol
A. 10> 20> 30
B. 10> 30> 20
C. 20> 30> 10
D. 30> 20> 10
4 The method used only for the production of symmetrical alkanes
A. Kolb's method
B. Clemmenen
C. Cannizzaro
D. Wolf kishner
5 The reaction in which ketone is reduced to the alkane is called
A. Kolb
B. Clemmensen
C. Cannizzaro
D. None
6 Which of the following is not an ortho-para directing group
7 Vinyl acetylene combines with HCI to form
A. Poly acetylene
B. Benzene
C. Chloroprene
D. Divinylacetylene
8 Raney - nickel is the alloy of Ni with
A. Pt
B. Al
C. Cu
D. Pd
9 Benzene does not undergo polymerization and it is also resistant to
A. Reduction
B. Oxidation
C. Alkylation
D. Ozonolysis
10 Reaction of ethanes with KMnO4 gives:
A. Ozonide
B. Glyoxal
C. Glycol
D. Oxalic acid

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