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