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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

00:00
Question # 1

Octane number is zero for

Question # 2

Acetylene is used in the manufacture of

Question # 3

Synthesis rubber is made by polymerization :

Question # 4

Write the name of following compound

Question # 5

The molecule of ethane possess which hybrization

Question # 6

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

Question # 7

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

Question # 8

In which one of the following compound rings are not fused together at ortho positions

Question # 9

The hydrocarbon which is used as an illuminating agent

Question # 10

The order of dehydration of alcohol

Question # 11

During nitration of benzene, the active nitrating agent is

Question # 12

Which of the following is not an electrophitic substitution reaction of benzene

Question # 13

Benzene was discovered by Michael Faraday's in

Question # 14

An alkynes having Carbon count of 20 is

Question # 15

Complete combustion of alkane yields

Question # 16

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

Question # 17

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

Question # 18

Eletronegativity difference in C-C bond in alkanes is:

Question # 19

An alkane is produced when an alkyle halide reacts with zinc in the presence of

Question # 20

A salt producing hydrocarbon among these compounds is

Question # 21

Benzene is prepared from n-hexane in the presence of catalyst

Question # 22

The electrophile in aromatic sulphonation is

Question # 23

Alkyne is :

Question # 24

Sp3hybird orbitals are oriented at an angle of

Question # 25

Alkene general formula :

Question # 26

What is not a common use of methane

Question # 27

Physical properties of alkanes increase with increase of all physical constants except

Question # 28

Kolb's method has limited synthetic applications due to

Question # 29

Write the name of following alkene CH2= CH - CH = CH2

Question # 30

Amongst the following the compound that can be most readily sulphonated is

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons MCQ`s Test

  • M
    M Umer Arain 29 - Nov - 2024 00 Min 03 Sec 110/120
  • G
    GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 01 - Jun - 2024 04 Min 52 Sec 110/120
  • H
    Huzaifa Asim 29 - May - 2024 02 Min 21 Sec 100/120
  • A
    Ali Tariq 23 - May - 2024 08 Min 03 Sec 100/120
  • G
    Ghulam Destgeer Destgeer 23 - May - 2024 08 Min 48 Sec 95/120
  • U
    Usman Saif 29 - May - 2024 04 Min 30 Sec 90/120
  • M
    Mian House 31 - May - 2024 05 Min 31 Sec 90/120
  • K
    khangul murad 09 - Jul - 2024 05 Min 58 Sec 90/120
  • A
    Abdullah Zubair 25 - Dec - 2024 06 Min 24 Sec 90/120
  • H
    Haider Ali 26 - May - 2024 10 Min 39 Sec 90/120
  • K
    Kaif Kaif ali 19 - May - 2024 11 Min 23 Sec 90/120
  • K
    kainat kashif 16 - May - 2024 13 Min 52 Sec 90/120
  • T
    Tasmia 18 - May - 2024 19 Min 18 Sec 90/120
  • M
    Muhammad Ali 25 - Jun - 2024 03 Min 24 Sec 85/120
  • Z
    Zoya Zoya 27 - May - 2024 11 Min 30 Sec 85/120

ECAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 Marsh gas was the name given to
A. Methane
B. Ethane
C. Propane
D. Butane
2 The four bonds of carbon in methane are directed towards the corners of
A. Cube
B. Pentagon
C. Hexagon
D. Tetrahedron
3 Meta directing group decreased the ----------- of benzene ring
A. Physical activity
B. Chemical reactivity
C. Density
D. None
4 Which of the following is not an ortho-para directing group
5 Incomplete oxidation of alkanes yields
A. CO2& carbon black
B. CO2+ heat
C. CO and carbon black
D. CO + heat
6 Kolb's method of alkanes production, is actually
A. Hydrolysis
B. Catalysis
C. Electrolysis
D. Hydrogenation
7 The stability of acromatic compounds decreases with ------- in the no. of its resonance structure
A. Decrease
B. Increase
C. Remain constant
D. Partially decreases
8 Alkanes are generally not reactive towards acids, alkalis, oxidation or reuducing agents. They however undergo some reactions, which one is the reaction undergone by alkanes
A. Elemination
B. Addition
C. Free radical substitution
D. Nucleophilic substation
9 the unreactivity of alkanes is based upon
A. Inertness of sigma bond
B. Non-polarity of the bonds
C. Both A and B
D. None of above
10 Ethylene combines with water in the presence of H2SO4+ HgSO4and forms
A. Ethyle chloride
B. Ethyle alcohol
C. Carboxylic acid
D. None of these

Test Questions

Is this page helpful?