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NEET CHEMISTRYChemical Bonding and Molecular StructureMedium

Question

Consider the given compound: In the given options, the following for the above compound are, respectively: (i) sp2sp^{2} hybridised carbon atoms and (ii) π\pi bonds.

A

7, 5

B

8, 6

C

7, 6

D

8, 5

Step-by-Step Solution

To determine the number of sp2sp^{2} hybridised carbon atoms and π\pi bonds, we apply the principles of hybridisation and bonding described in the sources:

  1. sp2sp^{2} Hybridisation: Carbon atoms involved in a double bond or those within an aromatic system (like a benzene ring) typically undergo sp2sp^{2} hybridisation . For example, each carbon in a benzene ring is sp2sp^{2} hybridised .
  2. π\pi Bonds: A single covalent bond is a σ\sigma bond. A double bond consists of one σ\sigma bond and one π\pi bond, while a triple bond consists of one σ\sigma bond and two π\pi bonds . In aromatic rings like benzene, there are three π\pi bonds (often represented as a delocalised cloud) .

Based on the probable answer of 7, 6, the compound must have 7 carbon atoms in an sp2sp^{2} state and a total of 6 π\pi bonds across its structure (likely involving a combination of aromatic rings and additional multiple bonds).

Exam Context & Concepts Covered

This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from Chemical Bonding and Molecular Structure. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

CHEMISTRYChemical Bonding and Molecular Structureconsidercompoundoptionsfollowingcompound

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