Unit 4: Acids, Bases, And Salts (2)

Question 0

What are the only 5 negative ions that DO NOT hydrolyze?

Answer 0

ClO4-
I-
Br-
Cl-
NO3-
(Top five on Ka in data booklet)

Question 1

What are the only 4 positive ions that hydrolyze?

Answer 1

Al(H2O)6 3+
Fe(H2O)6 3+
Cr(H2O)6 3+
NH4+
(Only 4 positively charged compounds on the Ka table)

Question 2

In general positive ion hydrolysis results in a(n) ____ solution

Answer 2

Acidic

Question 3

In general, negative ion hydrolysis results in a(n) ____ solution

Answer 3

Basic

Question 4

The only 4 positive ions that hydrolyze come from ____ bases

Answer 4

Weak

Question 5

The only 5 negative ions that do not hydrolyze come from _____ acids

Answer 5

Strong

Question 6

Ions that hydrolyze come from ___ acids or bases

Answer 6

Weak

Question 7

Positive ions hydrolyze to produce a(n) _____ solution

Answer 7

Acidic

Question 8

Negative ions hydrolyze to produce a(n) ____ solution

Answer 8

Basic

Question 9

If both ions hydrolyze what do you compare to see which reaction predominates?

Answer 9

Ka & Kb values.

The larger K value is the one which predominates

Question 10

How do you find the pH of a salt solution?

Answer 10

Use the Ka or Kb value to find the [H30+] or [OH-] the find the pH from there.