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ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
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Total Questions30
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Time Allowed30
ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons
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Question # 1
De halogenatiion of tetrahalides happens in the presence of active metal like
Question # 2
The elimination of HX from adjacent carbon atoms is called
Question # 3
Which one does not declourized KMnO4
Question # 4
Benzene is obtained from benzene sulphonic acid by treating with
Question # 5
Which class of compound is more reactive
Question # 6
The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with
Question # 7
When sodium benzoate is treated with soda lime (NaOH) benzene is formed. What is the other product
Question # 8
The process in which orbitals of different energies and shapes mix with each other to give equivalent hybrid orbitals is called
Question # 9
In CH4, all the H-C-H bond angles are
Question # 10
Preparation of vegetable ghee involves:
Question # 11
Preparation of ethylbenzene by the reaction of bromobenzene, ethylbromide and sodium is called
Question # 12
Synthesis of rubber is made by polymerization of
Question # 13
When acetylene is passed through a copper tube at 300°C, it polymerizes to
Question # 14
Benzene is not prepared from
Question # 15
Amongst the following the compound that can be most readily sulphonated is
Question # 16
Hydrocarbons are organic compounds which contain elements such as
Question # 17
The order of reactivity of halogens in aliphatic substitution reactions is
Question # 18
Ethylene can be prepared in the laboratory by heating together ethyl alcohol and
Question # 19
acetylene can be converted into-while passing through a Cu-tube at 300°C:
Question # 20
Which one of the following gases is used for artificial ripening of fruits ?
Question # 21
Vinyl acetylene combines with HCI to form
Question # 22
Alkanes are soluble in all except
Question # 23
Alkanes are least reactive towards:
Question # 24
The method used only for the production of symmetrical alkanes
Question # 25
All C - H bond lengths of benzene ring is
Question # 26
Which of the following method is most appropriate for the manufacture of methane?
Question # 27
The presence of a double bond in a compound is the sign of
Question # 28
The sp2hybird orbitals are oriented in space at one angle
Question # 29
All are ortho & Para directing except
Question # 30
Synthesis rubber is made by polymerization :
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