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 symmetric alkene?

Question # 2

The C-C bond angles in benzene ring are

Question # 3

Meta directing group decreased the ----------- of benzene ring

Question # 4

Benzene does not undergo polymerization and it is also resistant to

Question # 5

Which one of the following gases is used for artificial ripening of fruits ?

Question # 6

Which one does not declourized KMnO4

Question # 7

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

Question # 8

Sp3hybird orbitals are oriented at an angle of

Question # 9

acetylene can be converted into-while passing through a Cu-tube at 300°C:

Question # 10

Ethylene decolorizes cold dilute solution of KMnO4. This test is known as

Question # 11

The Total coal resources of Pakistan are estimated to be

Question # 12

To differentiate isomers we use

Question # 13

All C - H bond lengths of benzene ring is

Question # 14

The method used only for the production of symmetrical alkanes

Question # 15

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

Question # 16

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

Question # 17

Octane number is zero for

Question # 18

The method in which alkanes prepared by alkyle halides in the presence of palladium - charcoal is

Question # 19

Ethylene can be prepared in the laboratory by heating together ethyl alcohol and

Question # 20

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

Question # 21

When sodium benzoate is treated with soda lime (NaOH) benzene is formed. What is the other product

Question # 22

The order of reactivity of halogen acids towards alkenes

Question # 23

The order of reactivity of halogens in aliphatic substitution reactions is

Question # 24

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

Question # 25

Alkanes have functional group :

Question # 26

The next homologue of C10H22will be

Question # 27

The carbon, carbon bond length in benzene is

Question # 28

Zn + HCI are used in

Question # 29

The simplest and the parent members of aromatic hydrocarbon is

Question # 30

Which of the following possesses the highest melting point?

Submit

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


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 When methane reacts with Cl2in the presence of diffused light the products obtained are?
A. Chloroform only
B. Carbon tetrachloride only
C. Chloromethane and dichloromethane
D. Mixture of a,b,c
2 The addition of HBr is easiest with
A. CH2 = CHCl
B. CICH = CHCl
C. CH3 - CH = CH2
D. (CH3)2 C = CH2
3 Aromatic hydrocarbons are the derivatives of
A. Normal series of paraffins
B. Alkene
C. Benzene
D. Cyclohexane
4 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
5 When benzene is burnt in free supply of air, it is completely oxidized to
A. CO
B. CO2+H2O
C. H2CO3
D. None
6 Sp3hybird orbitals are oriented at an angle of
A. 107.5°
B. 108.5°
C. 109.5°
D. 103.5°
7 Preparation of ethylbenzene by the reaction of bromobenzene, ethylbromide and sodium is called
A. Wurtz reaction
B. Fitting reaction
C. Wurtz fitting reaction
D. None of these
8 The order of reactivity of halogens in aliphatic substitution reactions is
A. Br2 > C12 > F2
B. C12 > Br2 > F2
C. C12 C12 > Br2
D. F2 > Br2 > C12
9 Which decolourizes the colour of Br3
A. CH4
B. CH3-CH3-CH3
C. CH2=CH2
D. CH3-CH3
10 Which compound was recognized the parent member of aromatic compounds
A. Aniline
B. Phenol
C. Benzene
D. Toluene

Test Questions

Is this page helpful?