a) Interpretation: The alkyl halide which can be used to prepare 5-methyl-2-hexanone by acetoacetic ester synthesis is to be stated. Concept introduction: Acetoacetic ester synthesis converts an alkyl halide in to a methyl ketone having three more carbons. The methyl ketone part comes from acetoacetic eater while the remaining carbon comes from the alkyl halide. The reaction occurs in three steps i) enolate ion formation ii) attack of the enolate anion on the alkyl halide iii) hydrolysis and decarboxylation. To state: The alkyl halide which can be used to prepare 5-methyl-2-hexanone by acetoacetic ester synthesis.

Question

In the initial linear section of the stress-strain curve of a metal or alloy. Explain from the point of view of atomic structure?(a) No, the atomic level properties of the material can never be related to the linear section.(b) The elastic zone is influenced by the strength of the bonds between atoms.(c) The stronger the bond, the less rigid and the lower the Young's Modulus of the material tested.(d) The stronger the bond, the less stress is necessary to apply to the material to deform it elastically.

Answer 1

Question

Chapter 22.7, Problem 13P

Interpretation Introduction

a)

Interpretation:

The alkyl halide which can be used to prepare 5-methyl-2-hexanone by acetoacetic ester synthesis is to be stated.

Concept introduction:Acetoacetic ester synthesis converts an alkyl halide in to a methyl ketone having three more carbons. The methyl ketone part comes from acetoacetic eater while the remaining carbon comes from the alkyl halide. The reaction occurs in three steps i) enolate ion formation ii) attack of the enolate anion on the alkyl halide iii) hydrolysis and decarboxylation.

To state:The alkyl halide which can be used to prepare 5-methyl-2-hexanone by acetoacetic ester synthesis.

Interpretation Introduction

b)

Interpretation:

The alkyl halide which can be used to prepare 5-phenyl-2-pentanone by acetoacetic ester synthesis is to be stated.

concept introduction: Acetoacetic ester synthesis converts an alkyl halide in to a methyl ketone having three more carbons. The methyl ketone part comes from acetoacetic eater while the remaining carbon comes from the alkyl halide. The reaction occurs in three steps 1) enolate ion formation ii) attack of the enolate anion on the alkyl halide iii) hydrolysis and decarboxylation.

To state: The alkyl halide which can be used to prepare 5-phenyl-2-pentanone by acetoacetic ester synthesis.

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