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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.
उत्तर
Two main observations about the reaction:
(i) Brisk effervescence of carbon dioxide which turns lime water milky.
(ii) It is a neutralisation reaction and heat is released
CH3COOH+NaHCO3→CH3COONa+H2O+CO2
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संबंधित प्रश्न
Describe a test for carboxylic acid.
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
What do you notice when acetic acid reacts with alcohol?
A student adds 4 mL of acetic acid to a test tube containing 4 mL of distilled water. He then shakes the test tube and leaves it to settle. After about 10 minutes he observes:
(A) a layer of water over the layer of acetic acid
(B) a layer of acetic acid over the layer of water
(C) a precipitate settling at the bottom of the test tube
(D) a clear colourless solution
Which one of the following are the correct observations about acetic acid?
(A) It turns blue litmus red and smells like vinegar
(B) It turns blue litmus red and smells like burning sulphur
(C) It turns res litmus blue and smells like vinegar
(D) It turns red litmus blue and has a fruity smell
State how the following conversions can be carried out:
Ethene to Ethyl alcohol
Choose the correct word/phrase from the options given below to complete the following sentence:
When acetaldehyde is oxidized with acidified potassium dichromate, it forms ______.
Write the molecular formula of the given compound.
Sodium ethanoate
Give the balanced chemical equation of the following reaction:
Evolution of carbon dioxide by the action of ethanoic acid with NaHCO3.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
