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 can be changed by

Question # 2

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

Question # 3

Boiling point of n-butane is:

Question # 4

Acetylene is used in the manufacture of

Question # 5

The sp2hybird orbitals are oriented in space at one angle

Question # 6

Acetylene gives

Question # 7

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

Question # 8

The general formula of alkane is

Question # 9

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

Question # 10

Hybridization of each carbon atom in benzene ring is

Question # 11

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

Question # 12

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

Question # 13

The C-C bond angles in benzene ring are

Question # 14

What is not a common use of methane

Question # 15

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

Question # 16

The compound prepared by a substitution reaction of benzene is

Question # 17

Hydrogenation of alkenes/alkynes inthe presence of Ni as catalyst at 3000°C result in the formation of corresponding alkanes. This reaction is known as

Question # 18

The order of dehydration of alcohol

Question # 19

Complete combustion of alkane yields

Question # 20

The hydrocarbon which is used as an illuminating agent

Question # 21

Which is the used as test for the presence of alkenes

Question # 22

Which is more active ?

Question # 23

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

Question # 24

Which gas is used for welding purposes

Question # 25

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

Question # 26

Alkanes are soluble in all except

Question # 27

Which reaction sequence would be best to prepare 3-chloro-aniline from benzene?

Question # 28

The order of reactivity of halogen acids towards alkenes

Question # 29

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

Question # 30

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

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 Mustard gas is a
A. Gas
B. High boiling speed
C. High melting liquid
D. Steam
2 The method in which alkanes prepared by alkyle halides in the presence of palladium - charcoal is
A. Hydrolysis
B. Electrolysis
C. Hydrogenation
D. Hydrogenolysis
3 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
4 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
5 The order of dehydration of alcohol
A. 10> 20> 30
B. 10> 30> 20
C. 20> 30> 10
D. 30> 20> 10
6 Reaction of ethanes with KMnO4 gives:
A. Ozonide
B. Glyoxal
C. Glycol
D. Oxalic acid
7 Acetylene gives
A. White ppt. with ammonical AgNO3 and red ppt. with ammonical Cu(NO3)2
B. White ppt. with ammonical AgNO3 and red ppt. with ammonical Cu2C12
C. White ppt. with both
D. Red ppt. with both
8 To differentiate isomers we use
A. n-
B. iso-
C. neo
D. All of them
9 An alkynes having Carbon count of 20 is
A. gas
B. liquid
C. Solid
D. None
10 Which of the following substances is used as an antiknock compound?
A. Tetraethyl lead
B. Lead tetrachloride
C. Lead acetate
D. Ethyle acetate

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!