Acids

• Acid


  What is an acid?
• How do we know if a solution is acidic?
• Properties of Acids
• Caution Acids
• Strong and Weak Acids
• Acidic Reactions
• Neutral substances have pH values equal to 7
• Neutral solutions have equal amounts of H+ and OH-
• Acid strength is determined by the extent to which an acid donates protons in a solution.
• Strong acids completely dissociate in water, while weak acids only partially dissociate.
• Acidic solutions have pH values less than 7
• The strength of an acid is measured by its pH level, with lower pH values indicating stronger acids.
• The pH scale measures the concentration of hydrogen ions (H+) in a substance or solution.
• Basic or alkaline substances have pH values greater than 7
• Bases are alkaline, they can neutralise acids.
• A pH value less than 7 indicates an acidic solution; a higher number means that it is more basic/alkaline.
• The stronger the acid, the more readily it dissociates into hydrogen ions (H+) and its conjugate base.
• The stronger the acid, the more it will ionize (dissociate) into hydrogen ions (H+).
• A strong acid completely ionizes in water, while a weak acid only partially ionizes.
• Basic (alkaline) solutions have pH values greater than 7
• Bases are the opposite of acids, they donate hydroxide (OH-) ions.
• The pH scale is used to measure how acidic or basic a solution is.
• In general, acids with lower Ka values are weaker than those with higher Ka values.
• In general, acids with lower Ka values are weaker than those with higher Ka values.
• Basic (alkaline) solutions have pH values greater than 7
• A strong base has a high concentration of hydroxide ions (OH-) in its solution.
• The pH scale measures hydrogen ion concentration on a logarithmic scale from 0 to 14
• A neutral substance has a pH value of 7.
• Weak bases are less reactive than strong bases and do not fully dissociate when placed in water.
• A neutral substance has a pH value of exactly 7
• A change of one unit on the pH scale represents a tenfold increase or decrease in [H+]
• An acidic substance has a pH value below 7
• Stronger acids produce more H+ ions when dissolved in water compared to weaker acids.
• A buffer solution resists changes in pH due to the addition of small amounts of acid or base.
• Stronger acids produce more H+ ions compared to weaker acids.
• Neutralisation reactions occur when an acid reacts with a base to form salt and water.
• A basic or alkaline substance has a pH value above 7
• A basic or alkaline substance has a pH value above 7
• Neutralisation occurs when an acid reacts with a base to form water and salt.
• Neutralisation occurs when an acid reacts with a base to form water and salt.