Potassium iodide is neutral. So any solution of potassium iodide would have a pH of 7.
One note: no substance has a particular pH as pH depends on both the acidity/basicity of a substance and how concentrated it is.
It is basic in nature. The pH of potassium cyanide depends on the concentration of KCN in a solution.
The pH of something depends on its concentration in solution. A 1% w/v solution of potassium bicarbonate has a pH of about 8.2.
pH is actually the amount of H in something, say a compound. since potassium is a pure element, you cannot have a pH of it.
Potassium citrate is an alkaline salt.
KCN
9.3 - 9.5
Carbonate will increase soil pH value, because it reacts with acid, but sulfate will not affect the pH.
Calcium Cyanide, Ca(CN)2
Calcium nitrate has a neutral solution (pH=7).
The pH of a saturated solution of calcium sulfate is 7.7.
A pH value 6,71 is a bit under neutral.
Calcium chloride does not affect pH so a solution of it would have a pH of 7
Carbonate will increase soil pH value, because it reacts with acid, but sulfate will not affect the pH.
Calcium cyanide is Ca(CN)2
Calcium cyanide contains both ionic and covalent bonds: There are calcium cations and cyanide anions, and the cyanide anions contain internal covalent bonds, specifically triple bonds between carbon and nitrogen.
9.5
Calcium Cyanide, Ca(CN)2
Add an acid and it will release cyanide gas.
A 10% solution of calcium nitrate has a pH of about 6.0. Calcium nitrate is the primary source of water soluble calcium in hydroponics. Prolonged use in other growing media can result in a gradual increase in pH because the negatively charged nitrate ions are taken up faster than the positively charged calcium ions.
base
Calcium Carbonate has a PH of about 9-10
Ph 3
The pH of calcium carbonate is around 9.8