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 order of reactivity of halogens in aliphatic substitution reactions is

Question # 2

Synthesis rubber is made by polymerization :

Question # 3

Which compound was recognized the parent member of aromatic compounds

Question # 4

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

Question # 5

Alkanes are least reactive towards:

Question # 6

Alkyl halides when reduced with nascent hydrogen in the presence of Zn + HCI, are converted to

Question # 7

Benzene can be obtained by heating either benzoic acid with X or phenol with Y. X and Y are respectively

Question # 8

Incomplete oxidation of alkanes yields

Question # 9

Write the name of following compound

Question # 10

Raney - nickel is the alloy of Ni with

Question # 11

Mustard gas is a

Question # 12

The benzene molecule contains

Question # 13

Preparation of vegetable ghee involves

Question # 14

Which one gives acidic reactions?

Question # 15

An alkynes having Carbon count of 20 is

Question # 16

Benzene is not prepared from

Question # 17

Vinyl acetylene combines with HCl to form:

Question # 18

Benzene does not undergo polymerization and it is also resistant to

Question # 19

The hydrocarbon which is used as an illuminating agent

Question # 20

The reaction-method that does not give an alkane is

Question # 21

The three alternate single and double bonds in the benzene ring are called

Question # 22

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

Question # 23

Boiling point of n-butane is:

Question # 24

Odour of alkene is:

Question # 25

C18and onward hydrocarbons are normally

Question # 26

Alkanes have functional group :

Question # 27

Reaction of ethanes with KMnO4 gives:

Question # 28

CnH2nis the general formula of

Question # 29

Which of the following substances is used as an antiknock compound?

Question # 30

Benzene was discovered by Michael Faraday's in

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ECAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 Alkanes are gases :
A. C1-C4
B. C5-C10
C. C11-C15
D. C10-C20
2 Which of the following possesses the highest melting point?
A. Chlorobenzene
B. 0-Dichlorobenzene
C. m-Dichlorobenzene
D. p-Dichlorobenzene
3 The simplest and the parent members of aromatic hydrocarbon is
A. Benzene
B. Toluene
C. Biphenyis
D. Naphthalene
4 The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule
A. Hund's rule
B. Markowvikov's rule
C. Pauli's exclusion principle
D. Auf ban principle
5 Raney - nickel is the alloy of Ni with
A. Pt
B. Al
C. Cu
D. Pd
6 A single benzene ring can have ______ ortho position maximally
A. One
B. Two
C. Three
D. Four
7 Which one of the following gases is used for artificial ripening of fruits
A. Ethene
B. Ethane
C. Methane
D. Propane
8 Alkene general formula :
A. CnH2n+2
B. CnH2n
C. CnH2n-2
D. CnH2n+1
9 Synthesis of rubber is made by polymerization of
A. Chloroform
B. Acetylene
C. Divinylacetylene
D. Butene
10 Preparation of ethylbenzene by the reaction of bromobenzene, ethylbromide and sodium is called
A. Wurtz reaction
B. Fitting reaction
C. Wurtz fitting reaction
D. None of these

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