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Activity Discussion Science & Technology Science & Technology Reply To: Science & Technology

  • Manpreet

    May 20, 2021 at 9:05 pm
    Not Helpful

    Salts are basically products of an acid base reaction. It is known as neutralization reaction where an acid and a base react to form salt and water, that is, they have been neutralized to form salt and water.

    Acid + Base —–> Salt + Water

    Salts are an association of cations and anions.

    Salts can be classified as:

    • acidic salts
    • basic salts

    Acidic Salts:

    These salts are formed when a strong acid reacts with a weak base.

    For example : HCl is a strong acid and NH<sub style=”font-family: inherit;”>4</sub>OH is a weak base, reaction between them will give an acidic salt – NH<sub style=”font-family: inherit;”>4</sub>Cl

    NH<sub style=”font-family: inherit;”>4</sub>OH + HCl —> NH<sub style=”font-family: inherit;”>4</sub>Cl + H<sub style=”font-family: inherit;”>2</sub>O

    Basic Salts:

    These are formed by the reaction between a strong base and a weak acid.

    For example, NaOH is a strong base, its reaction with CH<sub style=”font-family: inherit;”>3</sub>COOH (Acetic acid – weak acid) will give a basic salt – CH<sub style=”font-family: inherit;”>3</sub>COONa

    NaOH + CH<sub style=”font-family: inherit;”>3</sub>COOH —-> CH<sub style=”font-family: inherit;”>3</sub>COONa + H<sub>2</sub>O

    Salts can also be classified as:

    • strong salts
    • weak salts

    Strong salts:

    A strong salts are strong electrolytes. These form ionic compounds with water. Group 1 and 2 elements generally form strong salts. For example- NaCl, KCl,etc.

    Weak Salts:

    A weak salt is a weak electrolyte and is generally formed with weak organic acids. These are more volatile than strong salts. For example- sodium acetate

    Salts show different properties and characteristics based on their parent sources, i.e., the type of acid and base that reacts to form the salt. Their colour, smell and chemical properties depends on the reactants used.

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