Question # 1

empirical formula mass of benzene is time lesser than moleculer formula mass:

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four

five

six

seven

Monosubstituted benzene can have disubstitution at position

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ortho

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how hydrogen carbon ratio than alkanes

characterstics oudour

a &B

Characterstics properties

The hybirdization in benzene is:

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sp³

sp²

dsp²

Benzene gives reactions generally:

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Electropholic subsitution

addition

synthesis

addition and electropholic subsitution

Which is the property of benzene:

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Decolourizes KMnO₄

straight chain structure

only double bond is present

triple and double bond

Aromatic hydrocarbons are the derivatives of:

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Normal series of parrafins

Alkene

Benzene

Cyclohexane

Acyiation of benzene to produce aliphatic aromatic ketones is known as

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Friedel Craft's reaction

benzenecondensation

hydroformylation

Clemmensen reduction

Simple aromatic compound is:

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benzene

toluene

aniline

phenol

Kekule structures contributed towards actual structure of benzene

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60%

70%

80%

90%

Kekule structures contributed towards actual structure of benzene

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60%

70%

80%

90%

The conversion of n-hexane into benzene by heating in the presence of Cr₂O_{3 is called:}

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Isomerization

Aromatization

Dealkylation

Rearrangment

Which of the following acid can be used as a catalyst in Friedel craft's reaction

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AlCl³

HNO₃

BeCl₂

NaCl

During nitration of benzene. the active nitrating agent is

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NO₃^-1

NO₂⁺

NO₂^-1

HNO₃

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

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Toluene

Benzene

nitrobenzene

chlorobenzene

Acylation of benzene to produce aliphatic aromatic ketones is known as:

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Friedel Craft's reaction

Benzene condensation

Hydroformylation

Cellemense

Which of the following is explosive?

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Trinitrophenol

Nitrophenol

Nitromethane

Nitrobenzene

Which terms was derived from " aroma"?

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atom

hydrocarbons

aromatic

aliphatic

Aromatic compounds burn with sooty flame cause:

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They have high percentage of hydrogan

They have ring structure

They have high percentage of carbon

They resist reaction with air

Monosubstituted benzene can have disubstitution at position:

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Ortho

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Michael Faraday

Hofmann

Ainderson

Sorenbon

Simplest aromatic compound is

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bezene

toluene

aniline

phenol

The electrophile in aromatic sulphonation Is

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H₂SO₄

HSO₄^-

SO₃

SO₃⁺

Benzene cannot undergo

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substitution reactions

addition reactions

oxidation reactions

elimination reactions

Which term was derived from "aroma":

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Atom

Hydrocarbons

aromatic

aliphatic

Benzene reacts with Cl, in sunlight to give the end product

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C₆H₆Cl₆

C₆H₆Cl

O - C₆H₄Cl₂

P-C₆H₄Cl₂

empirical formula mass of benzene is time lesser than moleculer formula mass:

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four

five

six

seven

Benzoic acid can be prepared from the oxidation of

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benzene

ethyl benzene

benzoic acid

toluene

Benzene gives reactions generally:

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Electropholic subsitution

addition

synthesis

addition and electropholic subsitution

Which of the following is explosive:

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Trinitropheonal

Nitropheonal

Nitromethane

Nitrobenzene

Among the following, poly cyclic compound is:

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styrene

cumene

napthalene

xylene

Ratio of carbon to hydrogen in aromatic compounds is:

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Low than alkanes

High than alkanes

Low than alkanes not high than alkanes

High than alkanes

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