The reason behind the representation of allene on the right more accurate than the one on the left in below figure should be explained. Concept introduction: Bonds formed due to head-to-head overlap are termed sigma bond while ones formed by sideways or lateral overlap are named pi-bonds. The planar system or‘ s p 2 hybridized present in molecules such as ethylene as illustrated follows: Each carbon in ethylene is trigonal planar due to s p 2 hybridization. The right ethylene molecule as it shows all bonds in same plane. The one on right that has wedge and dash bonds indicate the one bond lie above and below the plane respectively.

Question

Consider the Grignard reaction below to answer the following questions. A Mgar 1. ether + MyC CH3 2H3O C B a. The electrophile in this reaction is: b. The nucleophile in this reaction is: c. The alcohol product can be classified as a: a. 1° alcohol b. 2° alcohol C. 3° alcohol d. 4° alcohol HO CH3 CH

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Chapter 3, Problem 13E

Interpretation Introduction

Interpretation: The reason behind the representation of allene on the right more accurate than the one on the left in below figure should be explained.

Concept introduction: Bonds formed due to head-to-head overlap are termed sigma bond while ones formed by sideways or lateral overlap are named pi-bonds.

The planar system or‘ sp2 hybridized present in molecules such as ethylene as illustrated follows:

Each carbon in ethylene is trigonal planar due to sp2 hybridization. The right ethylene molecule as it shows all bonds in same plane. The one on right that has wedge and dash bonds indicate the one bond lie above and below the plane respectively.

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