Question # 1

Which is not present as heteroatom in heteroeyclie compounds?

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Sulphur

Nitrogen

Oxygen

Chlorine

Ether show the phenomenon of

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Positional isomerism

Functional group isomeris

Meta merism

Cis trans isomerism

Which of the following compounds does not exhibit positional isomerism?

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Alkynes

Nitroalkanes

Carboxylic acid

Alcohol

Furan is a compound

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Acyclic

Alicyclic

Heterocyclic

non-aromatic

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

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

Cyclobutane structure is categorized under

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Aromatic compounds

Aliphatic compounds

Alicyclic compounds

Heterocyclic compounds

The bond angle between any two sp hybrid orbitals is A.109.28°

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107.09°

120°

90°

80°

Which one of the following does not show isomerism?

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Propane

Hexane

Butane

Pentane

Anthracene contains number of fused benzene rings

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1

2

3

4

Alicyclic compounds are the homocyclic compounds which contain a ring of

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5 or more carbon atoms

6 or more carbon atoms

3 or more carbon atoms

4 or more carbon atoms

Which one of the following is not an alicyclic compound?

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Cyclohexene

Cyclohexane

Benzene

Cyclopentane

How many esters are possible for C2H8O2

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3

2

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

How many secondary carbon atoms are present in Methylcylopropand

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1

2

3

0

Name the compound, which shows geometric isomerism

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I-bromo-2-chloropropene

2.3-dimethy lpropene

2-pentene

Both A & B

Which of the following compound shows the geometrical isomerism

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2-butene

2-butyne

2-butanol

Butanol

Which compounds is alicyclic in nature?

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Cyclobutane

Iso-bstand

n-Butane

Toluend

Indicate the number of open chain isomers of C6H14

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4

5

6

7

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