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 compound was recognized the parent member of aromatic compounds

Question # 2

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

Question # 3

A six membered ring containing one double bond called

Question # 4

The reaction in which ketone is reduced to the alkane is called

Question # 5

Hydrocarbons are divided into aliphatic, alicyclic and aromatic which structure among the following show an alicyclic hydrocarbon

Question # 6

Mustard gas is a

Question # 7

De halogenatiion of tetrahalides happens in the presence of active metal like

Question # 8

Paraffins are also called

Question # 9

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

Question # 10

The molecule of ethane possess which hybrization

Question # 11

The electron releasing effect of methyl group is significant and it makes ring a good

Question # 12

Mustard gas is a :

Question # 13

Preparation of ethylbenzene by the reaction of bromobenzene, ethylbromide and sodium is called

Question # 14

Alkynes are colourless & odouless except

Question # 15

The carbon, carbon bond length in benzene is

Question # 16

Alkanes containing carbon C18ownwards are

Question # 17

Odour of alkene is:

Question # 18

The reaction-method that does not give an alkane is

Question # 19

In Friedal-Craft's alkylation besides AlCl3 the other reactants are

Question # 20

Replacement of hydrogen by NO2group is called

Question # 21

A single benzene ring can have ______ ortho position maximally

Question # 22

Which of the following is not aromatic hydrogencarbon

Question # 23

The order of reactivity of halogens in aliphatic substitution reactions is

Question # 24

Raney - nickel is the alloy of Ni with

Question # 25

The alkynides are used for the ----------- of alkynes

Question # 26

Ethylene can be prepared in the laboratory by heating together ethyl alcohol and

Question # 27

Which of the following method is most appropriate for the manufacture of methane?

Question # 28

Which of the following is an ortho-para directing group

Question # 29

Benzene is obtained from benzene sulphonic acid by treating with

Question # 30

Preparation of vegetable ghee involves:

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