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प्रश्न
A gas is liberated immediately with a brisk effervescence, when you add acetic acid to sodium hydrogen carbonate powder in a test tube. Name the gas and describe the test that confirms the identity of the gas.
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उत्तर
When acetic acid (CH3COOH) is added to the sodium hydrogen carbonate (NaHCO3) powder in a test tube, then the products obtained are sodium acetate, carbon dioxide and water.
Observations in this reaction are:
Brisk effervescence is seen because of CO2 gas escaping out from the reaction mixture. The gas turns lime water milky that confirms the identity of CO2 gas.
Chemical reactions involved:
CH3COOH + NaHCO3 →CH3COONa + CO2↑ + H2O
Ca(OH)2 + CO2 → CaCO3↓ + H2O
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संबंधित प्रश्न
A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation foe the reaction.
Give the name and structural formula of one homologue of HCOOH.
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
What happens when ethanoic acid reacts with sodium carbonate? Write chemical equation of the reaction involved.
What type of compound is formed by the reaction between acetic acid and an alcohol?
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
Which of the following represents saponification reaction?
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
Bubbles are seen in the test tube during the preparation of lime water.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
