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प्रश्न
Identify the term or substance based on the descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.
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उत्तर
Glacial acetic acid
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संबंधित प्रश्न
Complete the following chemical equations :CH3COOH + Na2CO3 →
Vinegar is a solution of about:
(a) 5 to 8 per cent ethanoic acid in alcohol
(b) 5 to 8 per cent ethanoic acid in water
(c) 50 to 80 per cent ethanoic acid in water
(d) 50 to 80 per cent ethanoic acid in alcohol
A student is studying the properties of acetic acid in his school laboratory. List two physical and two chemical properties which he must observe and note in his record book.
In an experiment to study the properties of acetic acid a student takes about 2 mL of acetic acid in a dry test tube. He adds about 2 mL of water to it and shakes the test tube well. He is likely to observe that:
(A) the acetic acid dissolves readily in water
(B) the solution becomes light orange
(C) water floats over the surface of acetic acid
(D) acetic acid floats over the surface of water
Name the functional group present in the following compound:
C2H5CHO
Acetic acid solution turns:
(1) blue litmus red
(2) red litmus blue
(3) blue litmus colourless
(4) red litmus colourless
Draw the structural formula for the following:
Ethanoic acid
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.
Draw the structural diagram of:
Ethanoic acid
