M.Sc Organic Chemistry Interview Questions and Answers

Questions

1 Identify the correct statement which is related to aromatic hydrocarbon?

A It has only sigma bonds

B It has only pi bonds

C It has a sigma and two pi bonds

D It has a sigma and delocalized pi bond

View Answer

Answer: It has a sigma and delocalized pi bond

2 Select the incorrect option.

A The aromatic hydrocarbon has a pleasant aroma (smell)

B Some of the aromatic compounds are ring-shaped

C Aromatic hydrocarbon can be either mono or polycyclic

D Benzene is the simplest hydrocarbon

View Answer

Answer: Some of the aromatic compounds are ring-shaped

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3 Which among the following is not a property of aromatic hydrocarbon?

A These compounds have very good aromaticity

B These compounds have excellent stability

C These compounds do not undergo nucleophilic substitutions but they undergo electrophilic substitutions

D There exists a strong ratio between carbon and hydrogen

View Answer

Answer: These compounds do not undergo nucleophilic substitutions but they undergo electrophilic substitutions

4 Arenes does not undergo ___________

A Dehydrogenation

B Coupling reaction

C Halogenation

D Cyclo additions

View Answer

Answer: Dehydrogenation

5 Which among these is not a representative arene compound?

A Durene

B Picric chloride

C Aspirin

D Mesitylene

View Answer

Answer: Picric chloride

6 Which among these is the simplest example for polycyclic arenes?

A Benzacephenanthrylene

B Naphthalene

C Pyrene

D Dibenz-anthracene

View Answer

Answer: Naphthalene

7 Arenes are polar.

A True

B False

View Answer

Answer: False

8 Arenes are _________

A volatile

B Water soluble

C Non-carcinogenic

D Mostly gases

View Answer

Answer: volatile

9 The main sources of these arenes are _________

A Petroleum

B Biogas and petroleum

C Petroleum and coal tar

D Natural gas

View Answer

Answer: Petroleum and coal tar

10 Benzene has a stronger Vander-Waal’s force than Methylbenzene.

A False

B True

View Answer

Answer: False

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