The migrating carbon atom in the given reaction has to be identified and its migration should be represented by curved arrows. Concept Introduction: Mechanism of the reaction is the step-by-step description of the process by which reactants are changed into products. Curved arrows show the bonds that are formed and the bonds that are broken in a reaction. Curved arrows used to understand a reaction mechanism. Curved arrows are drawn to show how the electrons move as new covalent bonds are formed existing covalent bonds are broken. Each arrow represents the simultaneous movement of two electrons from a nucleophile towards an electrophile. Rearrangements will always occur when an alkyl group or hydrogen can shift to form a more stable carbocation. There are mainly two types of rearrangement shifts and they are, 1, 2-methyl shift 1, 2-hydride shift

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Chapter 6, Problem 48IP

(A)

Interpretation Introduction

Interpretation:

The migrating carbon atom in the given reaction has to be identified and its migration should be represented by curved arrows.

Concept Introduction:

Mechanism of the reaction is the step-by-step description of the process by which reactants are changed into products.

Curved arrows show the bonds that are formed and the bonds that are broken in a reaction.

Curved arrows used to understand a reaction mechanism.

Curved arrows are drawn to show how the electrons move as new covalent bonds are formed existing covalent bonds are broken.

Each arrow represents the simultaneous movement of two electrons from a nucleophile towards an electrophile.

Rearrangements will always occur when an alkyl group or hydrogen can shift to form a more stable carbocation. There are mainly two types of rearrangement shifts and they are,

1, 2-methyl shift1, 2-hydride shift

(B)

Interpretation Introduction

Interpretation:

The second carbocation in the given reaction is more stable than the first one. The reason behind this has to be explained.

Concept Introduction:

Resonance is an electron displacement effect for stabilizing a molecule through delocalization of bonding electrons in the pi orbital.

Delocalized electrons stabilize a compound. The extra stability gains from having delocalized electrons are called resonance stabilization or resonance energy.

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