The structure of a carbocation intermediate formed in the addition reaction of HBr to two different alkenes is given. The structures of both alkenes are to be given. Concept introduction: In electrophilic addition reactions the first step involves the attack of the π electrons of the double bond on the positively polarized hydrogen atom of the hydrogen halide to give a carbocation as the product with the elimination of a halide ion. In the second step the carbocation reacts with the halide ion to give the product. To draw: The structures of two alkenes that yield the carbocation intermediate given in an addition reaction with HBr.

Question

Identifying electron-donating and For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene. Molecule Inductive Effects NH2 ○ donating NO2 Explanation Check withdrawing no inductive effects Resonance Effects Overall Electron-Density ○ donating O withdrawing O no resonance effects O donating O withdrawing O donating withdrawing O no inductive effects Ono resonance effects O electron-rich electron-deficient O similar to benzene O electron-rich O electron-deficient O similar to benzene olo 18 Ar 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility

Answer 1

Question

Chapter 6.SE, Problem 15VC

Interpretation Introduction

Interpretation:

The structure of a carbocation intermediate formed in the addition reaction of HBr to two different alkenes is given. The structures of both alkenes are to be given.

Concept introduction:

In electrophilic addition reactions the first step involves the attack of the π electrons of the double bond on the positively polarized hydrogen atom of the hydrogen halide to give a carbocation as the product with the elimination of a halide ion. In the second step the carbocation reacts with the halide ion to give the product.

To draw:

The structures of two alkenes that yield the carbocation intermediate given in an addition reaction with HBr.

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