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Chemistry Of Hydrocarbons
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Addition of HBr to iso-butylene mainly gives
iso-Butyl bromide
sec-Butyl bromide.
n-butyl bromide
tert-Butyl bromide
1, 1-Dibromoethane when heated with zinc dust produces
Ethene
Vinyl bromide
Ethyl bromide
2-Butene.
Ethyne can be prepared in a single step from
Ethylidene bromide
ethylene bromide
All of these.
Calcium carbide
Among the following, the compound that can be most readily sulphonated is
1, 3-Dinitrobenzene
Chlorobenzene
Nitrobenzene
Toluene.
Aqueous sulphuric acid reacts with 2-methyl-1-butene to give predominantly
iso-Butyl hydrogen sulphate
2-Methyl-1-butanol
2-Metyl-2-butanol
sec-Butyl hydrogen sulphate.
Which of the following reactions can be employed for getting unsymmetrical alkanes in good yield
None.
Corey-House reaction
Wurtz Reaction
Both
Ozonolysis of p-xylene gives
both of these
Glyoxal
None of these.
Methyl glyoxal
The catalyst used in the manufacture of polyethene by Ziegler method is
Titanium tetrachloride and triphenyl aluminium
Titanium tetrachloride and trimethyl aluminimum
Titanium dioxide
Titanium isopropoxide.
Isopropyl bromide on Wurtz reaction gives
2, 3--Dimethylbutane
Propane
Neohexane.
Hexane
Which one of the following has the smallest heat of hydrogenation per mole
trans-2-butene
1-Butene
1, 3-Buteadiene.
cis-2Butene
Gasoline contains hydrocarbons in the rane
C-4 to C-6
C-12 to C-15
C-7 to C-12
C-5 to C-8.
Addition of HCl to vinyl chloride gives 1, 1-dichlorocthane because of
None of these.
Mesomeric effect of Cl
Inductive effect of Cl
Restricted rotation around double bond
Allylic bromination of an olefin is
Electrophilic addition.
Electrophilic substitution
Nucleophilic substitution
Free radical substitution
Which of the following compounds has the highest boiling point
n-hexane
n-pentane
2, 2-Dimethylpropane
2-Methylbutane.
Which of the following compounds has te highest octane number
n-Octane.
2, 2, 4-trimethylpentane
2, 2, 3-trimethylpentane
2, 4-Dimethylhexane
To prepare a pure sample of n-hexane using sodium metal as one reactant, the other reactant will be
n-Propyl bromide.
Ethyl chloride and n-butyl chloride
Ethyl bromide and n-bytyl bromide
Methyl chloride and n-pentyl bromide
Halogenation of alkanes is an example of
Reduction.
Nucleopholic substitution
Free radical substitution
Electrophilic substitution
The addition of HBr to styrene gives ..... as the major product
p-Bromophentl ethylene.
1-Bromo-1-phenylethane
2-Bromo-1phenylethane
Benzyl chloride
Alcoholic solution of caustic potash is a specific reagent for
Dehydration
Dehydrogenation
hydration
dehydro-halogenation
During distillation of coal tar, naphthalene is a constituent of
Heavy oil.
light oil
Green oil
Middle oil
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