Question # 1

Which one of the following is an aromatic compound?

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Benzene

Thiophene

Furan

All of them

Cyclobutane structure is categorized under

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Aromatic compounds

Aliphatic compounds

Alicyclic compounds

Heterocyclic compounds

The aliphatic compounds are of two types

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Straight chain and cyclic

Branched chain and alicyclic

Straight chain and branched

Homocyclic and alicyclic

The maximum number of isomer for an alkene with the molecular formula C2H8

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2

3

4

5

Total number of possible chain and positional isomers of butyl alcohol among alcohols are

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Four

Five

Two

Six

Butane has isomeric forms

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3

4

2

1

Which is not present as heteroatom in heteroeyclie compounds?

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Sulphur

Nitrogen

Oxygen

Chlorine

Which compounds is alicyclic in nature?

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Cyclobutane

Iso-bstand

n-Butane

Toluend

Which class of compound cannot show positional isomerism?

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Alkanes

Alkene

Alkynes

Alcohol

2-propanol shows-----isomerism with 1-propanol

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Chain isomerism

Positional isomerism

Metamerism

Geometrical isomerism

The isomerism in which the compounds differ with respect to functional group but have same molecular formula is called

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Metamerism

Functional group isomerism

Position isomerism

Chain isomerism

Which one of the following is not an alicyclic compound?

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Cyclohexene

Cyclohexane

Benzene

Cyclopentane

1-chloropropane and 2.chlorpropane are isomers of each other, the type of isomerism in these two is called

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Cis-trans isomerisn

Position isomerism

Chain isomerism

Functional group isomerism

Furan is a compound

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Acyclic

Alicyclic

Heterocyclic

non-aromatic

Which of the following compounds does not exhibit positional isomerism?

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Alkynes

Nitroalkanes

Carboxylic acid

Alcohol

The structural isomerism arises due to the difference in the

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Number of atoms in the molecule

Arrangements of atoms in the molecule

Number as well as arrangement of atoms in the molecule

Spatial arrangement of atoms

How many secondary carbon atoms are present in Methylcylopropand

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1

2

3

0

A doubly bonded carbon is

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cannot be sp2 hybridized

can be sp hybridized

can attach with three carbons

can attach with three hydrogens

Alkanes do not show geometrical isomerism due to

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Hyperconjugation

Resonance

Rotation around single hond

Restricted rotation around doubled bond

Indicate the number of open chain isomers of C6H14

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4

5

6

7

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