MCQ
Which can show geometrical isomerism ?
- A

- B

- ✓

- D${H_3}C - C \equiv C - C{H_3}$




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Assertion $A$ :$[6]$ Annulene.$[8]$ Annulene and cis - $[10]$ Annulene, are respectively aromatic, not-aromatic and aromatic.
Reason $R$ : Planarity is one of the requirements of aromatic systems.
In the light of the above statements, choose the most appropriate answer from the options given below.