Chemistry Fundamental Principles of Organic Chemistry PMDC 2020
PMDC Verified Question 55 of 83
Select the organic compound which belongs to arene family:
A
\( \text{CH}_2=\text{CH}_2 \)
B
\( \text{CH}_3\text{--O--CH}_3 \)
C
\( \text{CH}_3\text{--NH}_2 \)
D
\( \text{C}_6\text{H}_6 \)
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: \( \text{C}_6\text{H}_6 \)
Concept:

The term arene is synonymous with aromatic hydrocarbons, which contain one or more benzene rings.

Solution:

  • Let's classify each option:


  • A: \( \text{CH}_2=\text{CH}_2 \) is ethene (an alkene).


  • B: \( \text{CH}_3\text{--O--CH}_3 \) is dimethyl ether.


  • C: \( \text{CH}_3\text{--NH}_2 \) is methylamine (an amine).


  • D: \( \text{C}_6\text{H}_6 \) is benzene, the parent compound of the arene family.


Why other options are incorrect:

None of the other options possess the highly stable, delocalized pi-electron ring system required to be classified as an arene.

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