Chemistry - GOC Question with Solution | TestHub
ChemistryGOCAromaticityMedium2 minQB
ChemistryMediummatching list
List - I (Compound) | List - II (Relationship) |
|---|---|
(P)
| (1) Aromatic |
(Q)
| (2) Non-aromatic |
(R)
| (3) Odd number of degree of unsaturation |
(S)
| (4) Anti-aromatic |
| (5) Dipole-moment is zero |
Options:
Answer:
A
Solution:
Rule:
Aromatic → 4n+24n+24n+2 π electrons
Anti-aromatic → 4n4n4n π electrons (planar)
Non-aromatic → no continuous conjugation
(P) Fully conjugated fused ring → aromatic + odd DU
➡ (1,3)
(Q) Conjugation not continuous → non-aromatic + odd DU
➡ (2,3)
(R) Not cyclic conjugation → non-aromatic + odd DU
➡ (2,3)
(S) 4n π system → anti-aromatic
➡ (1,4)
Stream:JEESubject:ChemistryTopic:GOCSubtopic:Aromaticity
⏱ 2mℹ️ Source: QB
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