### Question 1: Planarity of CompoundsWhich of the following compounds is likely to adopt a planar conformation? Explain:- **Diagram (a):** Benzene ring (hexagonal structure with alternating double bonds)- **Diagram (b):** Cyclohexane with one double bond (cyclohexene)- **Diagram (c):** Cyclooctatetraene (eight-membered ring with four alternating double bonds)#### Explanation:- **(a) Benzene:** Likely to adopt a planar conformation due to its aromaticity and resonance stability.- **(b) Cyclohexene:** Not planar due to the presence of sp3 hybridized carbons, leading to a puckered conformation.- **(c) Cyclooctatetraene:** Not planar as it tends to adopt a tub-shaped conformation to minimize angle strain and avoid destabilization.### Question 2: Oxidation with Chromic AcidDraw the expected product when the following compound is oxidized with chromic acid:- **Diagram:** Compound with a benzene ring and two isopropyl groups at the para positions (1,4 positions on the benzene ring).#### Expected Product:- **Oxidation Outcome:** The isopropyl groups are oxidized to carboxylic acid groups, resulting in terephthalic acid (benzene ring with carboxylic acids at the 1,4 positions).### Diagram Explanation- **Structural Overview:** Understanding the structural compositions in both diagrams is crucial for predicting chemical behavior like planarity and possible reactions with reagents like chromic acid. Benzene's planar nature contrasts with non-planar cyclic structures like cyclohexene and cyclooctatetraene.

When system is conjugated and atoms are sp2 hybridized then system is planar. Isopropyl group can…

Answered: Which of the following compounds is…

Which of the following compounds is likely to adopt a planar conformation?. Explain.: (b) Draw the expected product when the followind compound is oxidized with chromic acid:

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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Concept explainers

Reactions of Ethers

Ethers (R-O-R’) are compounds formed by replacing hydrogen atoms of an alcohol (R-OH compound) or a phenol (C6H5OH) by an aryl/ acyl group (functional group after removing single hydrogen from an aromatic ring). In this section, reaction, preparation and behavior of ethers are discussed in the context of organic chemistry.

Epoxides

Epoxides are a special class of cyclic ethers which are an important functional group in organic chemistry and generate reactive centers due to their unusual high reactivity. Due to their high reactivity, epoxides are considered to be toxic and mutagenic.

Williamson Ether Synthesis

An organic reaction in which an organohalide and a deprotonated alcohol forms ether is known as Williamson ether synthesis. Alexander Williamson developed the Williamson ether synthesis in 1850. The formation of ether in this synthesis is an SN2 reaction.

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