Chemistry
Grade-10
Easy

Question

Sodium bicarbonate reacts with acetic acid to give:

  1. Sodium acetate, water, and hydrogen gas
  2. Sodium carbonate, water, and Hydrogen gas
  3. Sodium acetate and water
  4. Sodium acetate, carbon dioxide, and water

hintHint:

  • A chemical reaction is a process that results in the chemical change of one set of chemical substances into another set of chemical substances.
  • Chemical reactions are often defined as changes in the locations of electrons in the formation and breaking of chemical bonds between atoms, with no change in the elements present), and may be represented using a chemical equation.

The correct answer is: Sodium acetate, carbon dioxide, and water


    Sodium bicarbonate reacts with acetic acid to give: Sodium acetate, carbon dioxide, and water
    • Sodium bicarbonate (NaHCO3) when reacts with acetic acid (CH3COOH) to produce aqueous sodium acetate (CH3COONa) and carbonic acid (H2CO3)
           NaHCO subscript 3 left parenthesis aq right parenthesis plus CH subscript 3 COOH space left parenthesis aq right parenthesis rightwards arrow space CH subscript 3 COONa space left parenthesis aq right parenthesis plus straight H subscript 2 CO subscript 3 space left parenthesis aq right parenthesis 
    • Carbonic acid is highly unstable and thus is decomposed to produce water and carbon dioxide i.e. straight H subscript 2 CO subscript 3 space left parenthesis aq right parenthesis space space rightwards harpoon over leftwards harpoon space straight H subscript 2 straight O left parenthesis straight l right parenthesis plus CO subscript 2 left parenthesis straight g right parenthesis upwards arrow
    • The carbon dioxide is actually the bubble out of solution.
    • Therefore, the reaction between sodium bicarbonate and acetic acid yields aqueous sodium acetate, water and carbon dioxide
             NaHCO subscript 3 left parenthesis aq right parenthesis plus CH subscript 3 COOH left parenthesis aq right parenthesis rightwards arrow CH subscript 3 COONa left parenthesis aq right parenthesis plus straight H subscript 2 straight O left parenthesis straight l right parenthesis plus CO subscript 2 left parenthesis straight g right parenthesis upwards arrow

    • This is a neutralization reaction in which sodium bicarbonate (baking soda), is neutralized by a solution of acetic acid (vinegar).

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