When a pinch of sodium bicarbonate is added to acetic acid is gas is evolved. Identify the gas and write the balanced chemical reaction.
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Sodium hydrogencarbonate on reaction with acetic acid releases carbon dioxide gas.
NaHCO3 + CH3COOH → CH3COONa + H2O + CO2
Test for carbon dioxide:
The presence of carbon dioxide can be tested by bringing a burning splinter near the mouth of the cylinder containing carbon dioxide – it gets extinguished.
If carbon dioxide is passed through limewater, it turns milky white.
Ca(OH)2 + CO2 → CaCO3 + H2O
NaHCO3 + CH3COOH → CH3COONa + H2O + CO2
Test for carbon dioxide:
The presence of carbon dioxide can be tested by bringing a burning splinter near the mouth of the cylinder containing carbon dioxide – it gets extinguished.
If carbon dioxide is passed through limewater, it turns milky white.
Ca(OH)2 + CO2 → CaCO3 + H2O
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