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Polynuclear Aromatic Compounds
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Reduction of naphthalene in presence of Pt/H2 gives_____
*
1 point
Dacalin
Tetralin
1,4- dihydronaphthalene
None of these
Controlling factor for sulphonation of naphthalene at low temperature is
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1 point
Rate of reaction
Rate of temperature
Position of equilibrium
Both "a" & "c"
All carbon atoms in naphthalene are ............ Hybridized
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1 point
sp
sp2
sp3
sp3d
What happens when anthracene is react with bromine in CCl4
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1 point
9-nitro naphthalene
9-Bromo naphthalene
Anthraquinone
9,10dihydronaphthalene
β-Napthalyamine can be prepared by :-
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1 point
Bogert-cook synthesis
Haworth synthesis
Friedal-craft synthesis
Bucherer reaction
Nitration of naphthalene gives........
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1 point
9- nitronaphthalene
10-nitronaphthalene
1-nitronaphthalene
2-nitronaphthalene
Electrophilic substitution reaction in phenanthrene occurs at_______
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1 point
3 - position
9,10- position
1,3- position
9-position
Vigorous catalyst hydrogenation of tetralin give:
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1 point
Decalin
Naphthalene
1,4- dihydronaphthalene
None of these.
Which of the following compound is consider as a hydroaromatic compound?
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1 point
3- Methyl chloranthrene
Decalin
1,3,5-cyclohexatriene
Benzo[a]pyrene
How many resource hybrid structures of naphthalene with resource energy (R.E. in Kcal/mole) are possible
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1 point
4,R.E.84
5.R.E 92
2.R.E.36
3.R.E.61.
Naphthalene undergoes oxidation with Na2Cr2O7|H2SO4
*
1 point
Benzoic
Pthalic
Salicylic
Phynylacetic
Oxidation of anthracene using K2Cr2O7/H2O gives........
*
1 point
Phthalic acid
Benzoic acid
Benzophenone
Anthraquinone
Molecular formula of phenanthrene is ...........
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1 point
C16H12
C8H10
C14H10
C16H16
Anthracene undergoes electrophilic substitution reactions mainly at
*
1 point
C-1
C-2
C-9
C1-C2
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