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Chapter 11: Q 11-11-42 E-f (page 350)

Which reactant in each of the following pairs is more nucleophilic? Explain.

F)C鈮�N-or-OCH3

Short Answer

Expert verified

C鈮�N-

Step by step solution

01

Nucleophile

The nucleophiles are ions possessing one electron pair. The lone electron pairs on the nucleophiles are ready to bond with each other.

02

Rules to identify more nucleophilic species

  1. Nucleophile attacking the same atom then nucleophilicity is same as basicity that more basic species is more nucleophilic in nature.
  2. Nucleophilicity increases in going down in a group of the periodic tables.

A negatively charged nucleophile is more nucleophilic than a neutral nucleophile due to a negative charge

03

More nucleophiles among C≡N- or -OCH3

On the basis of:

  1. Rule1: Nucleophile attacking the same atom then nucleophilicity is same as basicity that more basic species is more nucleophilic in nature.

Also on the basis of the reactivity cyanide ion is more reactive

C鈮�N-is more nucleophilic than-OCH3

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Most popular questions from this chapter

Which reactant in each of the following pairs is more nucleophilic? Explain.

a) BF3 or F-

Predict the product(s) for each elimination reaction below. In each case show the mechanism. What do the mechanisms have in common? Why?

a.

b.

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Question:What products would you expect from the reaction of 1-bromopropane with each of the following?

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Assign configuration to the following substrate, and show the stereochemistry and identity of the product you would obtain by reaction with water (reddish-brown=Br):

Question: Propose structures for compounds that fit the following descriptions:

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