Take a pinch of baking soda and add few drops of vinegar to it. A hissing sound produced. Why is it so? How will you determine the nature of gas?
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Answer:
Due to the presence of [tex]CO_2[/tex]
Explanation:
The reaction between vinegar and sodium bicarbonate will evaporate carbon dioxide gas as a result there will be effervescence which results the hissing sound. The chemical equation for the overall reaction is,
[tex]NaHCO_3(s)+CH_3COOH(l)$\to $CO_2(g)+H_2O(l)+Na^+(aq)+CH_3COO^-[/tex]
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Answer:
Baking soda is sodium bicarbonate. Vinegar is acetic acid. Carbonates and bicarbonates react with organic acids (such as acetic acid i.e. vinegar) to liberate carbon dioxide which is termed as "effervescence". This effervescence occurs with an hissing sound