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Chapter 2: 2.35 (page 83)

Label the Lewis acid and base. Use curved arrow notation to show the movement of electron pairs.

Short Answer

Expert verified
  • The Lewis acids are electron-deficient species (electrophiles) that have empty orbitals.
  • The Lewis bases have properties contrasting to Lewis acids.

Step by step solution

01

Lewis acid and Lewis base

  • The Lewis acids are electron-deficient species (electrophiles) that have empty orbitals.
  • The Lewis bases have properties contrasting to Lewis acids.
02

Formation of the product

The H3O+molecule becomes a Lewis base by releasing a proton.

The CH3CH2COCH2CH3is a Lewis acid due to the presence of the carbonyl group (CO).

In this molecule, oxygen attracts the proton from the hydronium ion and thus, enhances the Lewis acidity or electrophilicity of the carbonyl carbon.

Therefore, CH3CH2COCH2CH3 accepts electrons at the carbonyl carbon from the water molecule (Lewis base).

Formation of the products

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Most popular questions from this chapter

Fenfluramine and phentermine are two components of fen鈥損hen, an appetite suppressant withdrawn from the market in 1997 after it was shown to damage the heart valves in some patients. What products are formed when fenfluramine and phentermine are each treated with acetic acid CH3CO2H?

Rank the compounds in each group in order of increasing acidity.

a.

b.

c.

Which compound in each pair of isomers is the stronger acid?

a.

or

b.

or

Which H atom in vitamin C (ascorbic acid) is most acidic?

Two pKavalues are reported for malonic acid, a compound with two COOH groups. Explain why one is lower and one pKais higher than the pKaof acetic acid (CH3COOH,pKa=4.8).
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