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

The presence of a double bond in a compound in the sign of:

Question # 3

Which reaction is too vigorous to control

Question # 4

Zn + HCI are used in

Question # 5

Benzene is not prepared from

Question # 6

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

Question # 7

What is not a common use of methane

Question # 8

The hydrocarbon which is used as an illuminating agent

Question # 9

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

Question # 10

The saturated hydrocarbons usually end with suffix ______

Question # 11

How many molecules of chlorine adds in benzene in the presence of sunlight

Question # 12

To differentiate isomers we use

Question # 13

The hydrocarbons having double bonds normally end with suffix

Question # 14

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

Question # 15

All are ortho & Para directing except

Question # 16

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

Question # 17

Which of the following is not an ortho-para directing group

Question # 18

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

Question # 19

The order of dehydration of alcohol

Question # 20

A single benzene ring can have ______ ortho position maximally

Question # 21

The major reaction occurring in the engines of automobiles is

Question # 22

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

Question # 23

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 # 24

Which of the following is not aromatic hydrogencarbon

Question # 25

B-B'-dichloroethyl sulphide is commonly known as

Question # 26

Which of the following acid can be used as a catalyst in Friedal Craft's reactions

Question # 27

Which one does not declourized KMnO4

Question # 28

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

Question # 29

The elimination of HX from adjacent carbon atoms is called

Question # 30

An organic compound, on treatment with Br2 in CC14 gives bromoderivative of an alkene. The compound will be

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
Sr.# Question Answer
1 A salt producing hydrocarbon among these compounds is
A. Ehyne
B. Ethene
C. Methane
D. Ethane
2 The Total coal resources of Pakistan are estimated to be
A. 184 billion
B. 184 million tones
C. 1.84 billion tounes
D. 1.84 million tonnes
3 CnH2nis the general formula of
A. Alkanes
B. Alkanes
C. alkynes
D. None of above
4 In Friedal-Craft's alkylation besides AlCl3 the other reactants are
A. C6H6 + NH3
B. C6H6 + NH4
C. C6H6 + CH3Cl
D. C6H6 + CH3COCl
5 Marsh gas was the name given to
A. Methane
B. Ethane
C. Propane
D. Butane
6 A six membered ring containing one double bond called
A. Cyclohexene
B. Cyclohexane
C. Cyclohexadiene
D. None
7 When n-hexane is heated in the presence of Pt at 500°C, it cyclists to give
A. Benzene
B. Cyclohexene
C. Benzene
D. Toluene
8 Incomplete oxidation of alkanes yields
A. CO2& carbon black
B. CO2+ heat
C. CO and carbon black
D. CO + heat
9 The presence of a double bond in a compound is the sign of
A. Saturation
B. Unsaturation
C. Substitution
D. None of above
10 Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?
A. Chlorination, nitration, reducing
B. Nitration, chlorination, reducition
C. Nitration, reduction,chlorination
D. Nitration, reduction, acylation, chlorination, hydrolysis

Test Questions

Is this page helpful?