Acids

• The Arrhenius acid is only applicable to aqueous solutions only.

  Acids are the only compounds that contain ionizable hydrogen.

  It can't explain the nature of gaseous acids, like CO2, SO2, and N2O3.

  Acids are classified into 2 based on the no of ionizable hydrogen.

  monoprotic: contains 1 ionizable hydrogen atom per molecule.

  polyprotic: contains more than 1 ionizable hydrogen atom.

  are also classified based on a number of elements they containbinary: contains 2 elements, HYDROGEN and NONMETAL.
• Ternary: composed of three elements, they are hydrogen, oxygen, and non-metal.

  General properties of acid:

  1. acids have sour test, like citric acid
• 2. Acid Change the color of the acid-base indicator

  3. acid reacts with the active metal to yield hydrogen gas

  acid + carbonate (hydrogen carbonate)= salt+h2o+c02

  4. sulphite + acid = so2+salt+h20

  5. Acid + Base = salt+H2O is called neutralization reaction.

  6. acids are electrolytes, meaning they conduct electricity.