solubility

Question 1

Are all Group 1 salts soluble?

Answer 1

Yes — all Group 1 metal salts are soluble, no exceptions.

Question 2

Are ammonium (NH₄⁺) salts soluble?

Answer 2

Yes — all ammonium salts are soluble.

Question 3

Are all nitrates (NO₃⁻) soluble?

Answer 3

Yes — all nitrates are completely soluble.

Question 4

Are chlorides, bromides, and iodides generally soluble?

Answer 4

Yes — except for Ag⁺ and Pb²⁺ salts (e.g. AgCl, PbI₂ are insoluble).

Question 5

Are all sulfates soluble?

Answer 5

Most are, but BaSO₄, PbSO₄, CaSO₄, SrSO₄ are insoluble or only slightly soluble.

Question 6

Are hydroxides generally soluble?

Answer 6

No — most are insoluble, except Group 1, Ba(OH)₂, Sr(OH)₂, and Ca(OH)₂ (slightly).

Question 7

Are carbonates generally soluble?

Answer 7

No — only Group 1 and NH₄⁺ carbonates are soluble.

Question 8

Are sulfides (S²⁻) generally soluble?

Answer 8

No — except with Group 1, Group 2, and NH₄⁺.

Question 9

Are phosphates (PO₄³⁻) soluble?

Answer 9

No — only soluble with Group 1 and NH₄⁺.