Organic Chemistry Quiz-5

Question 1

Which of the following compounds will show geometrical isomerism?

Accepted Answer

1&ndash;phenyl&ndash;2&ndash;butene

Answer

3&ndash;phenyl&ndash;1&ndash;butene

Answer

2&ndash;phenyl&ndash;1&ndash;butene

Answer

1, 1&ndash;diphenyl&ndash;1&ndash;propene

Question 2

IUPAC name of neopentane is

Accepted Answer

2, 2&ndash;dimethylpropane

Answer

2&ndash;methlypropane

Answer

2, 2&ndash;dimethylbutane

Answer

2&ndash;methylbutane

Question 3

Which of the following contains three pairs of electrons in the valence shell?

Accepted Answer

Carbocations

Answer

Carbanions

Answer

Free radicals

Answer

All of these

Question 4

Which one of the following statements is not correct for electrophile?

Accepted Answer

All +ve charged species are electrophiles

Answer

Electron deficient species are electrophile

Answer

Electrophiles are Lewis acids

Answer

$AICI_3 , SF_6 , IF_7$ and $SO_3$ are electrophiles

Question 5

In which of the following compounds delocalisation is not possible?

Accepted Answer

1, 4&ndash;pentadiene

Answer

1, 3&ndash;butadiene

Answer

1, 3, 5&ndash;hexatriene

Answer

benzene

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