Chapter 4: Solubility Rules

Question 1

What are the ions in the GANA and CASH parts of the solubility rules mnemonic?

Answer 1

Solubale ions:

G group 1
A acetates
N nitrates
A ammoniUM ion (NH4^+)

C chlorates
A and
S sulfates
H halides (group 17)

Question 2

When do sulfides go from being INsoluble to being soluble af?

Answer 2

When they are bound to Ca ion, Ba ion, or Sr ion

CBS

Question 3

When do oxides (hydroxides/oxides) go from being INsoluble to being soluble af?

Answer 3

When they are bound to Ca ion, Ba ion, or Sr ion

CBS

Question 4

What are the ions in the COPS part of the solubility rules mnemonic?

Answer 4

INsoluble ions:

C carbonates/chromates
O oxides (hydroxides/oxides)
P phosphates
S sulfides

Question 5

When do halogens (group 17) become INsoluble?

Answer 5

When they are bound to Hg ion, Ag ion, or Pb ion

HAPpy

Question 6

What is the entire Clutch Mnemonic for memorizing the solubility rules?

Answer 6

The robber was GANA CASH his loot but the COPS stopped him.

Question 7

Are (aq) alkali metal ions usually soluble or INsoluble?

Answer 7

soluble.

Question 8

When are compounds containing (aq) CH3COO- INsoluable?

Answer 8

Never

Always soluble no matter what

Question 9

When do sulfates become INsolubale

Answer 9

when they are bound to Ca ion, Ba ion, Sr ion, Hg ion, Ag ion, or Pb ion

(CBS HAPpy)