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

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

b) H2O or CH3CO2-

Short Answer

Expert verified

CH3CO2-

Step by step solution

01

Nucleophile

The nucleophiles are the negatively charged ions or the neutral species with the lone pair of electrons ready to bond.

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.
  2. Nucleophilicity increases in going down in a periodic table group.
  3. A negatively charged nucleophile is more nucleophilic than a neutral nucleophile due to a negative charge.
03

More nucleophiles among H2O or CH3CO2-

Based on:

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

Rule3: A negatively charged nucleophile is more nucleophilic than a neutral nucleophile due to a negative charge.

CH3CO2-is more nucleophilic than H2O.

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