**Title: Understanding Resonance in Allylic Systems**---**Question 9: Which properly shows resonance of an allylic system?**Remaining Time: 1 hour, 39 minutes, 41 seconds.**Options:**- **A)** Displays resonance structures with a positively charged carbon atom. The resonance involves the shifting of double bonds and the positive charge between carbon atoms in a cyclic structure. - **B)** Shows resonance structures with a carbanion adjacent to a double bond. The resonance movement involves shifting the negative charge and pi electrons between the bonded atoms.- **C)** Illustrates resonance between a carbocation and a double bond in an open-chain structure, where a hydrogen atom and double bond shift involving positive charges take place.- **D)** Exhibits a pair of resonance structures with a pi bond and an adjacent negative charge. The lone pair and double bond electrons are shown moving between structures in a five-membered ring.**Answer Options:**- D- C- B- A**Note:** Moving to another question will save this response.---**Explanation:**This question tests the understanding of resonance in organic chemistry, specifically in allylic systems. Resonance in these systems involves the delocalization of electrons, often signified by arrows indicating electron movement. When assessing the given options, look for appropriate electron movement that satisfies the octet rule and maintains the stability of the molecules.

Resonating structures are the different structures which are obtained by the movement of pi of…

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Which properly shows resonance of an allylic system? B C H. O: D

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Diol

In chemistry there are so many chemical compounds that have a hydroxyl group but a chemical compound having two hydroxyl groups (-OH) is termed as a diol. It also implies the presence of two alcohols whereas polyols contain two or more than two hydroxyl groups (-OH). Glycol or 1,2-diol is an aliphatic diol that has two alcohol groups on adjacent carbon atoms. In industries, the most commonly used diol is ethylene glycol.

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