Resonance Structure of Benzene

In the case of benzene, Kekule’s structures (1) and (2) represent the resonance structures. The actual structure of the molecule may be represented as a hybrid of these two resonance structures or by the single structural formula (3). It should be clearly understood that the resonance structures (1) and (2) are not the actual structures … Read more

Kekule’ structure Of Benzene

Introduction: In 1865, Kekule suggested benzene consisted of a cyclic planar structure of six carbons with alternate double and single bonds. To each carbon was attached one hydrogen. Benzene, according to this proposal, was simple 1,3,5-cyclohexatriene. Kekule’s structure of benzene explained satisfactorily the following points. 1. That benzene contains three double bonds. 2. All six … Read more

Evidence of Cyclic Structure of Benzene

Introduction: The cyclic structure of benzene, with alternating single and double bonds, has been a subject of considerable scientific interest. Several lines of evidence support the cyclic, rather than the classical Kekulé structures with fixed single and double bonds, for the benzene molecule. Here are some key pieces of evidence: (1) Substitution of Benzene: Benzene … Read more

Human Value & Professional Ethics previous year question paper (2021-22)

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Human Value & Professional Ethics previous year question paper (2020-21)

📚 Welcome to pharmacareerinsider.com – Your Gateway to Academic Excellence! 🌐 Unlock the secrets to success with our extensive collection of previous year’s question papers, meticulously curated to elevate your learning experience. 🚀 Embark on a journey of preparation and mastery as you download these valuable resources tailored to help you navigate the challenges of … Read more

B.Pharma: Human Value previous year question paper (2019-20)

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D.pharma: Social pharmacy previous year question paper

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D.pharma: Human anatomy and physiology previous year question paper

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D.pharma: Pharmaceutics previous year question paper

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Thanks !

Thanks for sharing this, you are awesome !