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What are the byproducts when ethanoic acid reacts with sodium carbonate?
Sodium ethanoate, water and carbon dioxide
Sodium ethanoate and hydrogen
Sodium hydroxide and carbon dioxide
Ethanol and carbon dioxide
Sodium ethanoate, water and carbon dioxide
When ethanoic acid reacts with sodium carbonate, it undergoes a neutralization-type reaction to form sodium ethanoate (sodium acetate), water, and carbon dioxide gas. This reaction is a classic test for carboxylic acids, characterized by the brisk effervescence of carbon dioxide.
When ethanoic acid reacts with sodium carbonate, it undergoes a neutralization-type reaction to form sodium ethanoate (sodium acetate), water, and carbon dioxide gas. This reaction is a classic test for carboxylic acids, characterized by the brisk effervescence of carbon dioxide.
This is very similar to what happens when you mix vinegar (dilute ethanoic acid) with baking soda (sodium bicarbonate/carbonate), where you immediately see fizzing and bubbling due to the release of carbon dioxide gas.
ACID + CARBONATE тЖТ SALT + WATER + COтВВ (A-C-S-W-C)
2CH3тАЛCOOH+Na2тАЛCO3тАЛтЖТ2CH3тАЛCOONa+H2тАЛO+CO2тАЛ тАФ Chemical reaction between ethanoic acid and sodium carbonate
CO32тИТтАЛ+2H+тЖТH2тАЛO+CO2тАЛтЖС тАФ Ionic representation of the gas evolution
Carboxylic acids are weak acids that react with metal carbonates and hydrogen carbonates to produce a salt, water, and carbon dioxide gas. The chemical equation involves the acidic proton of ethanoic acid reacting with the carbonate ion to form unstable carbonic acid, which immediately decomposes into water and carbon dioxide.
Ethanoic acid (CH3тАЛCOOH) is a weak organic acid belonging to the carboxylic acid family.
The evolution of carbon dioxide is marked by brisk effervescence.
Sodium ethanoate (CH3тАЛCOONa) is a soluble salt formed as a product.
Laboratory identification test for carboxylic acids
Production of sodium acetate used in food seasoning and heating pads
Carbon dioxide gas turns lime water milky due to the formation of insoluble calcium carbonate.
Option B is incorrect because hydrogen gas is typically released when active metals react with acids, not carbonates. Option C and D incorrectly list reactants or products.
A is correct тАФ Ethanoic acid reacts with sodium carbonate to produce sodium ethanoate, water, and carbon dioxide gas.
Remember that all acids react with metal carbonates to liberate carbon dioxide gas, which turns lime water milky. This is a favorite concept in RRB and SSC chemistry questions.
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