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Chapter 6: Problem 6.29 (page 241)

Use full-headed or half-headed curved arrows to show the movement of electrons in each reaction.

a.

b.

c.

d.

Short Answer

Expert verified

Answer

a.

b.

c.

d.

Step by step solution

01

Step-by-Step SolutionStep 1: Full-headed and Half-headed curved arrows

A full-headed arrow is used to indicate the movement/transfer of a pair of electrons.

A half-headed arrow indicates the transfer of a single electron.

02

Movement of electrons in reaction a and b

The movement of electrons in reactions a and b are as follows:

a.

Reaction a

b.Reaction b

03

Movement of electrons in reaction c and d

The movement of electrons in reactions c and dare as follows:

c.

Reaction c

d.Reaction d

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Most popular questions from this chapter

Esterification is the reaction of a carboxylic acid (RCOOH) with an alcohol (R'OH) to form an ester (RCOOR') with a loss of water. Equation [1] is an example of an intermolecular esterification reaction. Equation [2] is an example of an intramolecular esterification reaction; that is, the carboxylic acid and alcohol are contained in the same starting material, forming a cyclic ester as the product. The equilibrium constants for both reactions are given. Explain why Keqis different for these two apparently similar reactions.

[1]

[2]

The Diels–Alder reaction, a powerful reaction discussed in Chapter 16, occurs when a 1,3- diene such as A reacts with an alkene such as B to form the six-membered ring in C.

a. Draw curved arrows to show how A and B react to form C.

b. What bonds are broken and formed in this reaction?

c. Would you expect this reaction to be endothermic or exothermic?

d. Does entropy favor the reactants or products?

e. Is the Diels–Alder reaction a substitution, elimination, or addition?

Consider the following reaction: CH4+Cl·→·CH3+HCl.

a. Use curved arrows to show the movement of electrons.

b. Calculate ∆H°using the bond dissociation energies in Table 6.2.

c. Draw an energy diagram assuming that Ea=16kJ/mol.

d. What is Eafor the reverse reaction (·CH3+HCl→CH4+Cl·)?

a. Which Keqcorresponds to a negative value of localid="1648198317845" ΔG∘, localid="1648198334107" Keq=1000 or Keq= 0.001 ?

b. Which Keqcorresponds to a lower value oflocalid="1648198364090" ΔG∘, localid="1648198396853" Keq=10-2or localid="1648198411007" Keq=10-5?

Question: Draw an energy diagram for a reaction in which the products are higher in energy than the starting materials and Eais large. Clearly label all of the following on the diagram: the axes, the starting materials, the products, the transition state, ∆H°,and Ea.
See all solutions

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