Question # 1

Ratio of carbon to hydrogen in aromatic compounds is

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Low than alkanes

High than alkanes

Low than alkenes not high than alkanes

High than high than alkenes

Bond angle in benzene is :

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109..5^o

180^o

120^o

107.2^o

Which of the following is explosive:

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Trinitropheonal

Nitropheonal

Nitromethane

Nitrobenzene

The benzene molecule contains

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Three double bond

Two double bond

One double bond

Delocalized pie electron charge

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

Among the following, poly cyclic compound is

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styrene

cumene

naphthalene

xylene

Monosubstituted benzene can have disubstitution at position:

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Ortho

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Nitration

sulphonation

ozonide

glyoxal

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

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AlCl₃

HNO₃

BeCl₂

NaCl

Benzene acid can be prepared from the oxidation of:

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benzene

ethyl benzene

benzonic acid

toluene

_{Which compound is the most reactvie one:}

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benzene

ethene

ethane

ethyne

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

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Toluene

Benzene

nitrobenzene

chlorobenzene

Benzene gives reactions generally:

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Electropholic subsitution

addition

synthesis

addition and electropholic subsitution

Acyiation of benzene to produce aliphatic aromatic ketones is known as

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Friedel Craft's reaction

benzenecondensation

hydroformylation

Clemmensen reduction

Benzene was discovered by first of all

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Michael Faraday

Hofmann

Ainderson

Sorenbon

Resonance energy of benzene is (in KJ mol^-1)

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120

150

170

180

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

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four

five

six

seven

Simple aromatic compound is:

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benzene

toluene

aniline

phenol

Benzene was discovered by first of all:

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Micheal Faraday

Hofmann

Ainderson

Sorenbon

Which term was derived from atomos?

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atom

hydrocarbon

aromatic

aliphatic

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

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toluene

benzene

nitrobenzene

chlorobenzene

Benzene gives reactions generally

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electrophilic

addition substitution

synthesis

addition and electrophilic substitution

Ozonolysis of benzene gives

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nitration

sulphonation

ozonide

glyoxal

The benzene molecule contains:

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Three double bond

Two double bond

One double bond

DelocalizedᏘ electron charge

Benzene cannot undergo

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substitution reactions

addition reactions

oxidation reactions

elimination reactions

During nitration of benzene, the active nitrating agent is:

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NO₃^-1

NO₂₊

NO₂^-1

HNO₃

Which of the following is explosive?

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Trinitrophenol

Nitrophenol

Nitromethane

Nitrobenzene

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

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 compounds burn with sooty flame cause

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They have high percentage of hydrogen

They have a ring structure

They have high percentage of carbon

They resist reaction with air

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