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Chapter 6: Problem 6.5 (page 221)

Follow the curved arrows and draw the products of the following reaction.

Short Answer

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Answer

Step by step solution

01

Step-by-Step SolutionStep 1: Movement of electrons

Electrons move from electron-rich centres to electron-deficient centres. Species-rich in electrons are represented using a negative sign and the species deficient in electrons are represented using a positive sign.

02

Arrows used to indicate electron transfer

A full-headed curved arrow is used to indicate the transfer of an electron pair from one atom to another.

A fishhook (half-headed curved arrow) indicates the transfer of a single electron.

03

Product of the chemical reaction

In the given reaction, the lone pair of electrons on the oxygen atom attacks the carbonyl carbon causing the pi bonded electrons to drift to the electron-deficient oxygen atom (oxygen atom having the positive charge) attached to it.

The complete reaction

Since the lone pair of electrons on the oxygen atom are involved in the bond formation with the carbonyl carbon, the oxygen atom attains a positive charge.

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Most popular questions from this chapter

Given each value, determine whether the starting material or the product is favored at equilibrium.

a.Keq=0.5

b.∆G°=-100kJ/mol

c.∆H°=8.0kJ/mol

d. Keq=16

e.∆G°=-2.0kJ/mol

f.∆H°=200kJ/mol

g.∆S°=8J/(K.mol)

h.∆S°=-8J/(K.mol)

(a) Draw in the curved arrows to show how A is converted to B in Step [1]. (b) Identify X, using the curved arrows drawn for Step [2].

What carbon radical is formed by homolysis of theC-Ha bond in propylbenzene? Draw all reasonable resonance structures for this radical.

What carbon radical is formed by homolysis of therole="math" localid="1648540916945" C-Hbbond in propylbenzene? Draw all reasonable resonance structures for this radical.

The bond dissociation energy of one of the C-H bonds is considerably less than the bond dissociation energy of the other. Which C-H bond is weaker? Offer an explanation.

For a reaction with Keq=0.8and Ea=80kJ/mol, decide which of the following statements is (are) true. Correct any false statement to make it true. Ignore entropy considerations. (a) The reaction is faster than a reaction with Keq=8and Ea=80kJ/mol. (b) The reaction is faster than a reaction with Keq=0.8and Ea=40kJ/mol. (c) ∆G° for the reaction is a positive value. (d) The starting materials are lower in energy than the products of the reaction. (e) The reaction is exothermic.

Write a rate equation for each reaction, given the indicated mechanism.

a.

b.
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