Given that addition of HCl to 1-methoxycyclohexene yields 1-chloro-1-methoxycyclohexane as the sole product. Why no other regioisomer is formed is to be explained using resonance structures. Concept introduction: In the addition of HCl to alkenes , in the first step, protonation of the double bond by the acid takes place to yield a cation. The cation can react as such or can rearrange to a more stable cation and then react with the chloride ion. To explain: Using resonance structures, why addition of HCl to 1-methoxycyclohexene yields 1-chloro-1-methoxycyclohexane as the sole product and no other regioisomer is formed.

Question

Consider the following Figure 2 and two atoms that are initially an infinite distance apart, x =00, at which point the potential energy of the system is U = 0. If they are brought together to x = x, the potential energy is related to the total force P by dU dx = P Given this, qualitatively sketch the variation of U with x. What happens at x=x? What is the significance of x = x, in terms of the potential energy? 0 P, Force 19 Attraction Total Repulsion x, Distance Figure 2. Variation with distance of the attractive, repulsive, and total forces between atoms. The slope dP/dx at the equilibrium spacing xe is proportional to the elastic modulus E; the stress σb, corresponding to the peak in total force, is the theoretical cohesive strength.

Answer 1

Question

Chapter 14.SE, Problem 54AP

Interpretation Introduction

Interpretation:

Given that addition of HCl to 1-methoxycyclohexene yields 1-chloro-1-methoxycyclohexane as the sole product. Why no other regioisomer is formed is to be explained using resonance structures.

Concept introduction:

In the addition of HCl to alkenes, in the first step, protonation of the double bond by the acid takes place to yield a cation. The cation can react as such or can rearrange to a more stable cation and then react with the chloride ion.

To explain:

Using resonance structures, why addition of HCl to 1-methoxycyclohexene yields 1-chloro-1-methoxycyclohexane as the sole product and no other regioisomer is formed.

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