Organic and Inorganic Acids Quiz
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Questions and Answers

Which type of acid gives one hydrogen ion per molecule of the acid in solution?

  • Tribasic acid
  • Strong acid
  • Dibasic acid
  • Weak acid (correct)
  • Which category of acids ionizes completely in water?

  • Weak acids
  • Strong acids (correct)
  • Dibasic acids
  • Tribasic acids
  • What is the main source of inorganic acids?

  • Animals
  • Rocks and minerals (correct)
  • Air
  • Plants
  • Which acid type gives three hydrogen ions per molecule in solution?

    <p>Tribasic acid</p> Signup and view all the answers

    What characterizes weak acids in terms of ionization?

    <p>They partially ionize in water</p> Signup and view all the answers

    What is the common element present in all acids?

    <p>Hydrogen</p> Signup and view all the answers

    Which of the following compounds is NOT an acid?

    <p>Sulphuric Acid</p> Signup and view all the answers

    Which indicator turns colourless in acids?

    <p>Phenolphthalein</p> Signup and view all the answers

    What acid is known as the 'King of chemicals' and used in car batteries?

    <p>Sulphuric Acid</p> Signup and view all the answers

    Which acid is used in food preservation as the salt sodium benzoate?

    <p>Benzoic Acid</p> Signup and view all the answers

    Which type of acid gives two hydrogen ions per molecule of the acid in solution?

    <p>Tribasic acid</p> Signup and view all the answers

    What characterizes strong acids in terms of ionization?

    <p>They ionize completely in water</p> Signup and view all the answers

    Which acid is commonly found in vinegar?

    <p>Acetic acid</p> Signup and view all the answers

    Why are mineral acids stored in glass bottles?

    <p>Because they are corrosive and can eat away metal, skin, and clothes</p> Signup and view all the answers

    Which type of acid is Uric acid?

    <p>Organic acid</p> Signup and view all the answers

    What type of acids are Hydrochloric acid, Nitric acid, and Sulphuric acid?

    <p>Strong acids</p> Signup and view all the answers

    Study Notes

    Classification of Acids

    • Acids present in plants and animals are organic acids, e.g., HCOOH, CH3COOH, which are weak acids.
    • Acids from rocks and minerals are inorganic acids or mineral acids, e.g., HCl, HNO3, H2SO4, which are strong acids.

    Types of Acids Based on Ionization

    • Strong acids: completely ionize in water, e.g., HCl.
    • Weak acids: partially ionize in water, e.g., CH3COOH.

    Monobasic, Dibasic, and Tribasic Acids

    • Monobasic acid: gives one hydrogen ion per molecule of the acid in solution, e.g., HCl, HNO3.
    • Dibasic acid: gives two hydrogen ions per molecule of the acid in solution, e.g., H2SO4, H2CO3.
    • Tribasic acid: gives three hydrogen ions per molecule of the acid in solution, e.g., H3PO4.

    Sources of Organic Acids

    • Citric acid: found in citrus fruits like lemons and oranges.
    • Lactic acid: found in sour milk.
    • Formic acid: found in the stings of bees and ants.
    • Butyric acid: found in rancid butter.
    • Tartaric acid: found in tamarind, grapes, and apples.
    • Acetic acid: found in vinegar.
    • Malic acid: found in apples.
    • Uric acid: found in urine.
    • Oxalic acid: found in tomatoes.
    • Stearic acid: found in fats.
    • Cholic acid: found in bile acids.

    Characteristics of Acids

    • Acids have a sour taste.
    • Strong acids are corrosive in nature.
    • Hydrogen is the common element present in all acids.
    • Acids react with metals to produce hydrogen gas.
    • Acids turn blue litmus to red.
    • The indicator phenolphthalein is colorless in acids.
    • The indicator methyl orange is red in acids.
    • Acids are good conductors of electricity.

    Uses of Acids

    • Sulphuric acid (King of chemicals) is used in car batteries.
    • Nitric acid is used in the production of ammonium nitrate, which is used as fertilizer in agriculture.
    • Hydrochloric acid is used as a cleansing agent in toilets.
    • Tartaric acid is a constituent of baking powder.
    • Salt of benzoic acid (sodium benzoate) is used in food preservation.
    • Carbonic acid is used in aerated drinks.

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    Description

    Test your knowledge of organic and inorganic acids with this quiz covering types of acids such as weak and strong acids, monobasic, dibasic, and tribasic acids. Learn about acids found in plants, animals, rocks, and minerals.

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