Question # 1

Benzene cannot undergo

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substitution reactions

addition reactions

oxidation reactions

elimination reactions

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

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four

five

six

seven

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

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toluene

benzene

nitrobenzene

chlorobenzene

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

During nitration of benzene, the active nitrating agent is:

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NO₃^-1

NO₂₊

NO₂^-1

HNO₃

Monosubstituted benzene can have disubstitution at position

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ortho

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normal series of paraffins

alkene

benzene

cyclohexane

Bond angle in benzene is :

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109..5^o

180^o

120^o

107.2^o

Which compound is the most reactive one?

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benzene

ethene

ethane

ethyne

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 gives reactions generally

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electrophilic

addition substitution

synthesis

addition and electrophilic substitution

The benzene molecule contains:

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Three double bond

Two double bond

One double bond

DelocalizedᏘ electron charge

Benzene gives reactions generally:

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Electropholic subsitution

addition

synthesis

addition and electropholic subsitution

Benzene gives reactions generally:

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Electropholic subsitution

addition

synthesis

addition and electropholic subsitution

Benzoic acid can be prepared from the oxidation of

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benzene

ethyl benzene

benzoic acid

toluene

Acyiation of benzene to produce aliphatic aromatic ketones is known as

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Friedel Craft's reaction

benzenecondensation

hydroformylation

Clemmensen reduction

Which is the property of benzene?

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decolourizes KMnO₄

straight chain structure

only double bond is present

triple and double bond

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

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

Empirical formula mass of benzene is times lesser than molecular formula mass

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four

five

six

seven

Kekule structures contributed towards actual structure of benzene

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60%

70%

80%

90%

The hydridization in benzene is

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sp³

sp²

sp⁴

dsp²

Benzene cannot undergo:

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Substitutions reactions

Addition reactions

Oxidation reactions

Elimination reactions

Among the following, poly cyclic compound is:

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styrene

cumene

napthalene

xylene

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

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C₆H₆Cl₆

C₆H₆Cl

O - C₆H₄Cl₂

P-C₆H₄Cl₂

Ozonolysis of benzene gives:

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Nitration

sulphonation

ozonide

glyoxal

Aroma meas:

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Fragrant

Invisible

latest affinityt

benzene

The benzene molecule contains

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Three double bond

Two double bond

One double bond

Delocalized pie electron charge

The conversion of n-hexane into benzene by heating in the presence of CO, is called

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lsomerization

Aromatization

Dealkylation

Rearrangement

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