Question 4: The reaction of propylbenzene with NBS gives:1-bromo-3-phenylpropane2-bromo-1-phenylpropane1-bromo-1-phenylpropaneA mixture of all three of the above compoundThe reaction of 1-phenyl-1-propene with HBr gives: Question 2 options: 1-bromo-3-phenylpropane 2-bromo-1-phenylpropane 1-bromo-1-phenylpropane A mixture of all three of the above compounds Question 17: The pKa of cyclopentadiene is much smaller than typical for an allylic hydrocarbon. The best explanation for this observation is: Question 17 options: Cyclopentadiene is much more stable than expected. Cyclopentadiene is much less stable than expected. The cyclopentadienyl anion is aromatic. The cyclopentadienyl anion is antiaromatic.

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The reaction of propylbenzene with NBS gives: 1-bromo-3-phenylpropane 2-bromo-1-phenylpropane 1-bromo-1-phenylpropane A mixture of all three of the above compound The reaction of 1-phenyl-1-propene with HBr gives:

The reaction of propylbenzene with NBS gives: 1-bromo-3-phenylpropane 2-bromo-1-phenylpropane 1-bromo-1-phenylpropane A mixture of all three of the above compound The reaction of 1-phenyl-1-propene with HBr gives:

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter23: Amines

Section: Chapter Questions

Problem 23.55P: Several diamines are building blocks for the synthesis of pharmaceuticals and agro-chemicals. Show...

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Question

Question 4: The reaction of propylbenzene with NBS gives:

1-bromo-3-phenylpropane

2-bromo-1-phenylpropane

1-bromo-1-phenylpropane

A mixture of all three of the above compound

The reaction of 1-phenyl-1-propene with HBr gives:

Question 2 options:

	1-bromo-3-phenylpropane
	2-bromo-1-phenylpropane
	1-bromo-1-phenylpropane
	A mixture of all three of the above compounds

Question 17: The pKa of cyclopentadiene is much smaller than typical for an allylic hydrocarbon. The best explanation for this observation is:

Question 17 options:

	Cyclopentadiene is much more stable than expected.
	Cyclopentadiene is much less stable than expected.
	The cyclopentadienyl anion is aromatic.
	The cyclopentadienyl anion is antiaromatic.

Definition Definition Organic compounds with a planar cyclic ring of atoms bonded through alternated single and double bonds. Aromatic organic compounds, also called arenes, are an important class of hydrocarbons under the branch of organic chemistry.

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