17. Amines

Indicate if each of the following is soluble in water. Explain.

c.

Indicate if each of the following is soluble in water. Explain.

d.

Write the balanced chemical equations for the (1) reaction of each of the following amines with water and (2) neutralization with HCl:

c. aniline

Write the balanced chemical equations for the (1) reaction of each of the following amines with water and (2) neutralization with HBr:

b. propylamine

Indicate if each of the following is soluble in water. Explain.

a.

Indicate if each of the following is soluble in water. Explain.

b.

Draw the condensed structural or line-angle formulas for the products of the following:

a. CH₃–CH₂–NH₂ + H₂O ⇌

Novocain, a local anesthetic, is the ammonium salt of procaine.

b. Why is procaine hydrochloride used rather than procaine?

Using condensed structural formulas, or line-angle formulas if cyclic, write the balanced chemical equations for the (1) reaction of each of the following amines with water and (2) neutralization with HCl:

c. aniline

Using condensed structural formulas, or line-angle formulas if cyclic, write the balanced chemical equations for the (1) reaction of each of the following amines with water and (2) neutralization with HBr:

c. N-methylaniline

Using condensed structural formulas, or line-angle formulas if cyclic, write the balanced chemical equations for the (1) reaction of each of the following amines with water and (2) neutralization with HBr:

b. propylamine

Using condensed structural formulas, or line-angle formulas if cyclic, write the balanced chemical equations for the (1) reaction of each of the following amines with water and (2) neutralization with HBr:

c. N-methylaniline

Draw the condensed structural or line-angle formula for the amide formed in each of the following reactions:

a.

The structure of the amino acid lysine (in its uncharged form) is shown below.

a. Which amine groups would be able to participate in hydrogen bonding?

Many hair conditioners contain an ammonium salt such as the following to help prevent 'fly-away' hair. These ions will react with neither acid nor base. Provide a reason why.