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प्रश्न
Write the names of the first three members of the carboxylic acid series.
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उत्तर
The first three members of carboxylic acids are methanoic acid, ethanoic acid, and propanoic acid.
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संबंधित प्रश्न
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
A student takes about 6 ml of distilled water in each of the four test tubes P, Q, R and S. He then dissolves an equal amount of four different salts namely, sodium chloride in 'P', potassium chloride in 'Q', calcium chloride in 'R' and magnesium chloride in 'S'. Next, he then adds 10 drops of soap solution to each test tube and shakes its contents. The test tubes in which scum (insoluble substance) is formed with soap are:
(A) P and Q
(B) Q and R
(C) R and S
(D) Q and S
List two uses of esters.
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.
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH
Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.
Explain the following reaction with an example.
Esterification
Give a chemical reaction in which a catalyst is used.
A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that ______.
