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

Which is more active ?

Question # 2

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

Question # 3

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

Question # 4

Mustard gas is a :

Question # 5

Alkyne is :

Question # 6

Vinyl acetylene combines with HCl to form:

Question # 7

Synthesis of rubber is made by polymerization of

Question # 8

Raney - nickel is the alloy of Ni with

Question # 9

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

Question # 10

The C-C bond angles in benzene ring are

Question # 11

Benzene has a -------- structure

Question # 12

Acetylene when treated with 10% H2SO4in the presence of HgSO4adds one molecule of water to form

Question # 13

When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as

Question # 14

Benzene is obtained from benzene sulphonic acid by treating with

Question # 15

Sp3hybird orbitals are oriented at an angle of

Question # 16

The major reaction occurring in the engines of automobiles is

Question # 17

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 # 18

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

Question # 19

A fuel has the same knocking property as a mixture of 70 isooctane (2, 2, 4- trimethyl pentane) and 30% n-heptane by volume the octane number of the fuel is

Question # 20

A six membered ring containing one double bond called

Question # 21

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

Question # 22

A single benzene ring can have ______ ortho position maximally

Question # 23

The correct order of reactivity of halogens with alkanes is

Question # 24

C18and onward hydrocarbons are normally

Question # 25

The elimination of HX from adjacent carbon atoms is called

Question # 26

Hydrocarbon which is liquid at room temperature is

Question # 27

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

Question # 28

During the preparation of alkynes the active metals that react with tetra halo-alkanes are

Question # 29

An alkynes having Carbon count of 20 is

Question # 30

When alkyl is treated with chlorine in the presence of sunlight

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 Which decolourizes the colour of Br3
A. CH4
B. CH3-CH3-CH3
C. CH2=CH2
D. CH3-CH3
2 β-β- dichloroethyle sulphide is commonly known as:
A. Mustared gas
B. Laughing gas
C. Phosgene gas
D. Bio gas
3 The sp2hybird orbitals are oriented in space at one angle
A. 180°
B. 109.5°
C. 100°
D. 120°
4 The term aromatic was derives from
A. Greek word
B. Latin
C. Russian
D. English
5 Which one does not declourized KMnO4
A. Alkenes
B. Alkynes
C. Bezene
D. All above
6 If we remove one hydrogen atom from an alkane we obtain a group called
A. Acetyle group
B. Formyle group
C. Alkyle group
D. Ketyle group
7 How many molecules of chlorine adds in benzene in the presence of sunlight
A. One
B. Two
C. Three
D. Four
8 Meta directing group decreased the ----------- of benzene ring
A. Physical activity
B. Chemical reactivity
C. Density
D. None
9 Which class of compound is more reactive
A. Alkane
B. Alkene
C. Alkyne
D. None
10 The presence of a double bond in a compound in the sign of:
A. Saturation
B. Unsaturation
C. Subsitution
D. None

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!