ACIDS & BASES. BACKGROUND. Acid and base are terms used by chemists to categorize chemicals according to their pH. An acid is generally considered to be any material that gives up a hydrogen ion in solution, While a base is any material that creates a hydroxide ion in solution.
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A class of compounds whose water solutions taste sour, turn blue litmus to red, and react with bases to form salts.
A class of compounds that taste bitter, feel slippery in water solution, turn red litmus to blue, and react with acids to form salts.
the negative logarithm of the hydronium ion concentration of an aqueous solution; used to express acidity.
There are three common acid-base theories:
Any substance which releases H+ ion in water solution.
Any substance which releases OH- ions in water solution.
Any substance which donates a proton.
Any substance which accepts a proton.
Any substance which can accept an electron pair.
Any substance which can donate an electron pair.