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Are ions of alkali metals larger or smaller than ions of alkaline metals from the same period?
larger
What is the pH of a solution is 9 classified as?
A solution with a pH of 9 is classified as being basic or alkaline. This means that it has a higher concentration of hydroxide ions compared to hydronium ions.
How are insoluble salts made?
Insoluble salts are typically formed by mixing two solutions of soluble salts that contain ions that react to form an insoluble compound. This compound then precipitates out of solution, forming the insoluble salt. Methods to create insoluble salts include precipitation reactions and double displacement reactions.
Why Caco3 is insoluble in water while Mgco3 is soluble?
CaCO3 is insoluble in water because of its lattice structure and larger ionic size of calcium ions, which makes it difficult for water molecules to surround and solvate the ions effectively. In contrast, MgCO3 is soluble in water due to its smaller ionic size and the presence of polarizing magnesium ions that can attract water molecules and facilitate its dissolution.
Is higher alkaline level above pH 7 caustic?
Yes, pH above 7 is the result of a more alkaline, caustic solution. It means that there's more hydroxide ions than hydroxonium ions (or protons) in this.
Alkaline and non alkaline soils?
Alkaline soils have a pH above 7, while non-alkaline soils have a pH below 7. Alkaline soils are more basic, containing higher levels of calcium, magnesium, and sodium, while non-alkaline soils may be acidic or neutral and typically contain more hydrogen ions. Alkaline soils can impact plant nutrient availability and can limit the growth of certain plants adapted to lower pH conditions.
The role of ammonia in Tollen?
Ammonia is used as a ligand in order to dissolve the insoluble Silver ions under alkaline conditions.
What property of slaked lime is important in neutralising acid soils?
The property of slaked lime that is important in neutralizing acid soils is its ability to react with acidic compounds in the soil, such as hydrogen ions, to raise the soil's pH. This helps to make the soil more alkaline and provides a better environment for plants to grow, as many plants prefer neutral to slightly alkaline soil conditions.
When are chlorides bromides and iodides not soluble?
Chlorides are insoluble when paired with silver, lead, or mercury ions. Bromides are insoluble when paired with silver, lead, or mercury ions. Iodides are insoluble when paired with silver, lead, or mercury ions, as well as with thallium ions.
How does the total mass percentage of alkaline earth metal ions compare with the total mass percentage of alkaline metal ions?
The total mass percentage of alkaline earth metal ions is higher than that of alkaline metal ions in a compound since alkaline earth metals have a higher atomic mass compared to alkali metals. This means that alkaline earth metals contribute more to the total mass of the compound when present as ions.
Potassium hydroxide must be dissolved in water so that it sHow is alkaline properties.Explain the role of water in this situation.?
Potassium hydroxide is a strong base that dissociates into potassium ions and hydroxide ions in water, which imparts alkaline properties to the solution. Water facilitates this dissociation by providing a medium for the ions to move freely, leading to the alkaline nature of the solution.
What makes an Alkaline an Alkaline?
An alkaline substance is characterized by having a pH level higher than 7. This means it has more hydroxide ions (OH-) than hydrogen ions (H+) in solution. Alkaline substances tend to be bases that can neutralize acids.
How do you make alkaline?
The concentration of dissociable OH- ions is a measure of the basicity of the substance. Greater the concentration of hydroxyl ions, greater is it alkaline.
If a solution is alkaline or a base what ions does it have more of?
it has more hydroxide ions than hydronium ions
A solution that contains more hydroxide ions than hydrogen ions is?
Basic or alkaline or greater than pH 7
Do soils absorb positively charged ions?
nono
What is alkaline medium?
An alkaline medium is a solution that has a higher pH level than 7. It contains more hydroxide ions (OH-) than hydrogen ions (H+). Alkaline mediums are commonly used in various chemical reactions and industrial processes.
