Question # 1

Which compound form benzoic acid on oxidation with strong oxidizing agent.

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Toluene

Ethyl benzene

n propyl benzene

All

Which compound is the most reactive

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Benzene

Ethene

Ethane

Ethyne

Biphenyl is

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Monocyclic aromatic compound

Polyclic aromatic compound

Polycyclic fused ring compound

Alicyclic compound

During nitration of benzene, the active nitrating agent is

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NO₃

NO₂⁺

NO₂^-

HNO₃

Cyclic structure of benzene was proposed by

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Dewar

Faraday

Down

Kekule

Amongst the following, the compound of that can be most readily sulphonated is

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Toluene

Benzene

Nitro-benzene

Chloro-benzene

The electrophile in Aromatic sulphonation is

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H₂SO₄

HSO₄^1-

SO₃

SO₃¹⁺

The difference of actual and theoretical heat of hydrogenation of compound is called.

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Lattice energy

Resonance energy

Ionization energy

Enthalpy of formation

Benzene molecule is made up of.

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3- pi and 9 sigma bonds

6- pi and 6 sigma bonds

6 -pi and 12 sigma bonds

4 -pi and 12 sigma bonds

The number of possible isomers of xylene are

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2

3

4

5

Which catalyst is used Friedel Crafts reactions

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AlCl₃

BeCl₂

NaCl

HNO₃

The conversation of n-hexane into benzene by heating in in the presence of Pt is called

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Isomerization

Aromatization

Dealkylation

Rearrangement

Which of the following species is ortho and para director.

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CHO

SO3H

NO2

Cl

The benzene molecule contains.

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Three double bonds

Two double bonds

One double bonds

Delocalized sigma electron charge

Which compound is the more reactive

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Benzene

Ethene

Ethane

Ethyne

Which compound is the most reactive one

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benzene

ethene

ethane

ethyne

Aromatic hydrocarbons are the derivatives of

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Normal series of paraffins

Alkene

Benzene

Cyclohexane

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