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Chapter 5: Q17P (page 201)

Question: Draw the products that would be obtained by following the incorrect arrows in the box entitled “A Few Words about Curved Arrows” and explain what is wrong with the structures you obtain

Short Answer

Expert verified

When arrows are drawn incorrectly, they result in a bromine with an incomplete octet and a positive charge, as well as an oxygen with 10 valence electrons and a 2-negative charge.

When the arrow is drawn improperly, oxygen with an incomplete octet and a 2+ charge results.

Step by step solution

01

 Drawing the arrow incorrectly for question a) -  

When arrows are drawn incorrectly, they result in a bromine with an incomplete octet and a positive charge, as well as an oxygen with 10 valence electrons and a 2-negative charge.

When the arrow is drawn improperly, oxygen with an incomplete octet and a 2+ charge results.

02

  Drawing the arrow incorrectly for question b) -      

The arrow is intended to illustrate where the electron moves to, yet there are no electrons on the H to go anywhere.

03

Drawing the arrow incorrectly for question c) –

Because the destination of electrons in the breaking pi-bond is unknown, the product cannot be drawn.

04

Drawing the arrow incorrectly for question d) –

The arrow is supposed to illustrate where the electrons flow to, but there are no electrons on the carbon to go anywhere, therefore it can't be drawn.

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Most popular questions from this chapter

Which is more stable?

Question: a. Which of the monosubstituted cyclohexanes in Table 3.9 on p. 128 has a negative ∆G° for the conversion of an axial-substituted chair conformer to an equatorial-substituted chair conformer?

b.Which monosubstituted cyclohexane has the most negative ∆G° for this conversion?

c. Which monosubstituted cyclohexane has the greatest preference for an equatorial position?

d. Calculate ∆G° for the conversion of “axial” methylcyclohexane to “equatorial” methylcyclohexane at 25 °C.

Squalene, a hydrocarbon with the molecular formula C30H50, is obtained from shark liver. (Squalus is Latin for “shark.”) If squalene is an acyclic compound, how many π bonds does it have?

a. For a reaction with ∆H° = -12 kcal/mol and ∆S° = 0.01kcal mol-1 K-1, calculate the ∆G° and the equilibrium constant at: 1. 30 °C and 2. 150 °C.

b. How does ∆G° change as T increases?

c. How does Keq change as T increases?

From the following rate constants, determined at five temperatures, calculate the experimental energy of activation and ΔG±,ΔH±,andΔS±for the reaction at 30°C:
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