list out the charectersticks features of acids and bases?
Answers
Acids taste sour while bases taste bitter. An acid reacts with metals to produce bubbles of hydrogen gas while a base feels slimy to the touch. Acids turn blue litmus paper red while bases turn red litmus paper blue.
Answer:
to produce bubbles of hydrogen gas while a base feels slimy to the touch. Acids turn blue litmus paper red while bases turn red litmus paper blue.
Evolving Definitions
The theory of an acidic or basic compound as being one that releases hydrogen or hydroxide ions respectively was introduced by the Swedish chemist Svante Arrhenius in 1884. The Arrhenius theory generally explains how acids and bases behave in solution and why they combine to form salts, but it doesn't explain why certain compounds that do not contain hydroxide ions, such as ammonia, can form bases in solution.
The Brønsted-Lowry theory, introduced in 1923 by chemists Johannes Nicolaus Brønsted and Thomas Martin Lowry, rectifies this by defining acids as proton donors and bases as proton acceptors. This is the definition chemists most often rely on when analyzing aqueous solutions.
A third theory, introduced by Berkeley chemist G.N. Lewis, also in 1923, regards acids as electron pair acceptors and bases as electron pair donors. The Lewis theory has the advantage of including compounds that do not contain hydrogen at all, so it lengthens the list of acid-base reactions.
Explanation:
Acids taste sour while bases taste bitter. An acid reacts with metals to produce bubbles of hydrogen gas while a base feels slimy to the touch. Acids turn blue litmus paper red while bases turn red litmus paper blue.
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