JEE MAIN - Chemistry (2022 - 27th July Morning Shift - No. 9)
Given below are two statements: one is labelled as Assertion A and, the other is labelled as Reason R.
Assertion A: [6] Annulene, [8] Annulene and cis-[10] Annulene, are respectively aromatic, not-aromatic and aromatic.
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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.
Both A and R are correct and R is the correct explanation of A.
Both A and R are correct but R is NOT the correct explanation of A.
A is correct but R is not correct.
A is not correct but R is correct.
Explanation
[6] Annulene is aromatic because it is planar.
[8] Annulene and [10] Annulene are both not aromatic because they are not planar. So, Assertion (A) is not correct.
Reason (R) is correct because planarity is one of the requirements of aromatic system.
[8] Annulene and [10] Annulene are both not aromatic because they are not planar. So, Assertion (A) is not correct.
Reason (R) is correct because planarity is one of the requirements of aromatic system.
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