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Chapter 4: Q33P (page 233)

When it is strongly heated, methyl diazoacetate decomposes to give a nitrogen gas and a carbene. Draw a Lewis structure of the carbene.

Short Answer

Expert verified

Carbenes may be defined as a neutral divalent chemical species containing a carbon atom consisting six electrons in their valence shell. Out of six electrons, two electrons are unshared. The simplest carbene is methylene .

Step by step solution

01

Carbenes

Carbenes may be defined as a neutral divalent chemical species containing a carbon atom consisting six electrons in their valence shell. Out of six electrons, two electrons are unshared. The simplest carbene is methylene .

02

Lewis structures

The formation of covalent bond in molecules is shown in an easier way by Lewis structures. The valence electrons are represented by dots in the Lewis structure and one bond is represented as two electrons. In drawing Lewis structures, the atoms are arranged in such a way that all of them have eight valence electrons. The exception is with hydrogen, which can have a maximum of two valence electrons.

03

Decomposition of methyl diazoacetate to nitrogen and carbene

04

Lewis structure of carbene

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Most popular questions from this chapter

Predict the ratios of products that result from chlorination of isopentane.(2-methylbutane)

(a) Draw the reaction-energy diagram for the following reverse reaction:

(b) What is the activation energy for this reverse reaction?

(c) What is the heat of reaction (螖 H0 )for this reverse reaction?

Use the bond-dissociation enthalpies in Table 4-2 (page 203) to calculate the heats of reaction for the two possible first propagation steps in the chlorination of isobutane. Use this information to draw a reaction-energy diagram like Figure 4-8, comparing the activation energies of the two radicals.

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The following bond-dissociation energies may be helpful:

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(a)

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