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

Formula of chloroform is

Question # 2

Hydrocarbons are organic compounds which contain elements such as

Question # 3

A six membered ring containing one double bond called

Question # 4

The Total coal resources of Pakistan are estimated to be

Question # 5

Preparation of vegetable ghee involves:

Question # 6

The difference between amount of heat actually released and that of calculated is called

Question # 7

The four bonds of carbon in methane are directed towards the corners of

Question # 8

Preparation of vegetable ghee involves

Question # 9

Benzene is not prepared from

Question # 10

Ethylene polymerizes at 100 atm pressure and 400°C to give

Question # 11

Alkyne is :

Question # 12

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

Question # 13

Which is symmetric alkene?

Question # 14

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

Question # 15

Alkanes containing carbon C18ownwards are

Question # 16

The geometry of acetylene is

Question # 17

Which decolourizes the colour of Br3

Question # 18

All are ortho & Para directing except

Question # 19

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

Question # 20

Substitution of halogen in the benzene ring requires catalyst

Question # 21

β-β- dichloroethyle sulphide is commonly known as:

Question # 22

Reaction of ethanes with KMnO4 gives:

Question # 23

How many isomeric disubtituted products are obtained by the introducing of second group in the ring

Question # 24

During nitration of benzene, the active nitrating agent is

Question # 25

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

Question # 26

Which one does not declourized KMnO4

Question # 27

The temp. used for the hydrogenation of alkenes using Ni is

Question # 28

The benzene molecule contains

Question # 29

The treatment of benzene with isobutene in the presence of sulphuric acid give

Question # 30

Catalytic oxidation of alkanes is used for the preparation of

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 Substitution of halogen in the benzene ring requires catalyst
A. AlCl3
B. FeCl3
C. SiO2
D. Organo - nickel
2 Which is liquid among the following alkenes?
A. Ethane
B. Propene
C. Butene
D. Pentene
3 The nitration of benzene takes place when it is heated with a mixture of conc.HNO3and conc. H2SO4at 50°C in ratio of
A. 1 : 2
B. 1 : 1
C. 1 : 3
D. 2 : 1
4 The simplest and the parent members of aromatic hydrocarbon is
A. Benzene
B. Toluene
C. Biphenyis
D. Naphthalene
5 Benzene has a -------- structure
A. Pentagonal
B. Hexagonal
C. Heptagonal
D. Tetragonal
6 Eletronegativity difference in C-C bond in alkanes is:
A. Zero
B. Double
C. Half
D. 4.0
7 During nitration of benzene, the active nitrating agent is
A. NO3
B. NO2+
C. NO2-
D. HNO3
8 Preparation of vegetable ghee involves
A. Halogenations
B. Hydrogenations
C. Hydroxylation
D. Dehydrogenations
9 Which of the following is not an electrophitic substitution reaction of benzene
A. Nitration
B. Sulphonation
C. Fridel-Craft alkylation
D. Free radical chlorination of benzene
10 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

Test Questions

Is this page helpful?