Difference Between Alkali and Base : Understanding the difference between alkali and base is like having a good hold in chemistry which has its own importance NEET syllabus . Imagine base as a big group where everything that tackles acids hangs out.
Alkalis are generally a small group and a specific type of base that dissolves in water, making it a bit slimy or soapy. So, it's like all alkalis are bases, but not every base is an alkali. Let's figure out what makes alkalis and bases unique.Difference Between Alkali and Base | ||
---|---|---|
Parameter | Alkali | Base |
Definition | A type of base that dissolves in water, typically a metal hydroxide. | A substance that can accept a proton (H⁺ ion) or donate an electron pair. |
Source | Derived from alkali metals (Group 1 elements) and their hydroxides. | Can be derived from various compounds, including metal oxides and hydroxides. |
Solubility in Water | Highly soluble in water, forming alkaline solutions. | May or may not be soluble in water. If soluble, it may or may not form alkaline solutions. |
Examples | Sodium hydroxide (NaOH), potassium hydroxide (KOH). | Ammonia (NH₃), aluminum hydroxide (Al(OH)₃). |
pH Level | Alkaline, typically with a pH greater than 7. | Can be acidic, neutral, or alkaline, depending on the specific compound. |
Hydroxide Ions | Contains hydroxide ions (OH⁻). | May or may not contain hydroxide ions. |
Electron Pair Donor | May act as an electron pair donor in chemical reactions. | May act as a proton acceptor or electron-pair donor. |