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MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
Try The MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
00:00
Question # 1
The four bonds of carbon in methane are directed towards the corners of
Question # 2
The addition of unsymmetrical reagent to unsymmetrical alkene is in accordance with the rule:
Question # 3
The hydrocarbons having double bonds normally end with suffix
Question # 4
Free radical mechanism of halogenation of alkanes follow step:
Question # 5
Benzene is not prepared from
Question # 6
Octane number can be changed by
Question # 7
During nitration of benzene, the active nitrating agent is
Question # 8
Alkyl benzenes are readily oxidized by axidfied
Question # 9
The simplest and the parent members of aromatic hydrocarbon is
Question # 10
A single benzene ring can have ______ ortho position maximally
Question # 11
Eletronegativity difference in C-C bond in alkanes is:
Question # 12
Acetylene gives
Question # 13
The benzene molecule contains
Question # 14
An alkane is produced when an alkyle halide reacts with zinc in the presence of
Question # 15
The carbon, carbon bond length in benzene is
Question # 16
Synthesis rubber is made by polymerization :
Question # 17
The compound prepared by a substitution reaction of benzene is
Question # 18
Benzene does not undergo polymerization and it is also resistant to
Question # 19
The order of reactivity of halogen acids towards alkenes
Question # 20
The order of reactivity of halogens in aliphatic substitution reactions is
Question # 21
Acetylene is used in the manufacture of
Question # 22
Which gas is produced by treating CaC2with water
Question # 23
The method in which alkanes prepared by alkyle halides in the presence of palladium - charcoal is
Question # 24
Which can be used for dehydration of alcohol
Question # 25
Which of the following is not an ortho-para directing group
Question # 26
Complete combustion of alkane yields
Question # 27
When methane reacts with Cl2in the presence of diffused light the products obtained are?
Question # 28
When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as
Question # 29
Which one of the following is (m-xylene)
Question # 30
Benzene was discovered by Michael Faraday's in
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G GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 01 - Jun - 2024 04 Min 52 Sec 110/120 -
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ECAT Chemistry Chapter 19 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The electrophile in aromatic sulphonation is |
A. H2SO4
B. HSO4
C. SO3
D. SO3+
|
| 2 | Benzene can be obtained by heating either benzoic acid with X or phenol with Y. X and Y are respectively |
A. Zinc dust and soda lime
B. Soda time and zinc dust
C. Zinc dust and sodium hydroxide
D. Soda lime and copper
|
| 3 | B-B'-dichloroethyl sulphide is commonly known as |
A. Mustard gas
B. Laughing gas
C. Phosgene gas
D. Bio gas
|
| 4 | Benzene reacts with ozone and gives |
A. Glycerin
B. Glyoxal
C. Maleic anhydride
D. Benzoic acid
|
| 5 | Hydrocarbons contain : |
A. Carbon only carbon
B. Hydrogen only
C. Carbon & hydrogen
D. Carbon , hydrogen & halogen
|
| 6 | Which is more active ? |
A. Alkanes
B. Alkenes
C. Alkynes
D. Benzene
|
| 7 | Mustard gas is a |
A. Gas
B. High boiling speed
C. High melting liquid
D. Steam
|
| 8 | Which compound was recognized the parent member of aromatic compounds |
A. Aniline
B. Phenol
C. Benzene
D. Toluene
|
| 9 | Nitroalkane are used in |
A. Fuel
B. Solvents
C. Organic synthesis
D. All of them
|
| 10 | Which of the following is not an ortho-para directing group |
Test Questions