ECAT Pre Engineering Chemistry Chapter 19 MCQ Test With Answer

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 reaction is too vigorous to control

Question # 2

Benzene is obtained from benzene sulphonic acid by treating with

Question # 3

Benzene does not undergo polymerization and it is also resistant to

Question # 4

When n-hexane is heated in the presence of Pt at 500°C, it cyclists to give

Question # 5

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

Question # 6

The order of reactivity of halogen acids towards alkenes

Question # 7

Which one gives acidic reactions?

Question # 8

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

Question # 9

The compound prepared by a substitution reaction of benzene is

Question # 10

The general formula of alkane is

Question # 11

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

Question # 12

Which is liquid among the following alkenes?

Question # 13

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

Question # 14

Eletronegativity difference in C-C bond in alkanes is:

Question # 15

Benzene was discovered by Michael Faraday's in

Question # 16

Incomplete oxidation of alkanes yields

Question # 17

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

Question # 18

Octane number is zero for

Question # 19

Hybridization in alkanes is:

Question # 20

Zn + HCI are used in

Question # 21

Ethylene combines with water in the presence of H2SO4+ HgSO4and forms

Question # 22

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

Question # 23

Which of the following reaction is characteristic of benzene

Question # 24

Synthesis rubber is made by polymerization :

Question # 25

When benzene is burnt in free supply of air, it is completely oxidized to

Question # 26

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

Question # 27

β-β- dichloroethyle sulphide is commonly known as:

Question # 28

When acetylene is passed through a copper tube at 300°C, it polymerizes to

Question # 29

Preparation of vegetable ghee involves

Question # 30

Which class of compound is more reactive

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ECAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1
Question Image
A. 2, 3-dimethylbutane
B. 2, 3-methylbutane
C. 2-dimethylbutane
D. Dimethylbutane
2 CnH2nis the general formula of
A. Alkanes
B. Alkanes
C. alkynes
D. None of above
3 Which one of the following gases is used for artificial ripening of fruits
A. Ethane
B. Ethyne
C. Methane
D. Propane
4 Alkyne is :
A. CH3-CH3
B. CH4
C. CH2=CH2
D. C2H2
5 Zn + HCI are used in
A. Clemenson reduction
B. Wof kishner reduction
C. Kolb's electrolysis
D. Wutruz reaction
6 Which is liquid among the following alkenes?
A. Ethane
B. Propene
C. Butene
D. Pentene
7 The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with
A. Hund's rule
B. Markownikov's rule
C. Pauli's Exclusion principle
D. Auf ban principle
8 Which of the following is an ortho-para directing group
9 The C-C bond angles in benzene ring are
A. 119°
B. 120°
C. 121°
D. None
10 When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as
A. Cannizaro reaction
B. Sabatier-secderens reaction
C. Alkylation
D. Kolbe's reaction

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