Question # 1

Which one is not electrophile

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BF3

SO3

AlCl3

NH3

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

Main source of aromatic compound is

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Petroleum

Coaltar

Living organisms

Dead marine animals

During nitration of benzene, the active nitrating agent is

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NO₃

NO₂⁺

NO₂^-

HNO₃

Aromatic hydrocarbons are the derivatives of

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Normal series of paraffins

Alkene

Benzene

Cyclohexane

Which compound is the more reactive

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Benzene

Ethene

Ethane

Ethyne

Chlorobenzene on nitration with conc. HNO3 and Conc. H2SO4 gives.

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m -chloronitrobenzene

o and p chloronitrobenzene

o and m chloronitrobenzene

mixture of O2 m and p chloronitrobenzene

Which group when attached with benzene increases electron density of ring.

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-COOH

-NO

-CHO

-CH3

The number of possible isomers of xylene are

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2

3

4

5

Which compound is the most reactive

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Benzene

Ethene

Ethane

Ethyne

m-choronitro benzene is prepared by

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Nitration of chlorobenzene

Nitration of Benzene

Chlorination of Nitrobenzene

Nitration of m-chlorobenzene

The compound which can not be nitrated easily.

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Benzene

Nitrobenzene

Phenol

Toluene

The electrophile in Aromatic sulphonation is

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H₂SO₄

HSO₄^1-

SO₃

SO₃¹⁺

Which of the following acid can be used as a catalyst in Friedel Craft's reactions

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AlCl₃

HNO₃

BeCl₂

NaCl

Structure of benzene is

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Tetrahedral

Trigonal planar

Hexagonal planar

Linear

Aromatic hydro carbon are the derivatives of

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Normal series of paraffins

Alkene

Benzene

Cyclohexane

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

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Toluene

Ethyl benzene

n propyl benzene

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