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प्रश्न
Choose the correct alternative and rewrite the following:
Acetic acid ..................
विकल्प
is insoluble in water
turns blue litmus red
is pale yellow in colour
none of the above
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उत्तर
Acetic acid turns blue litmus red.
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संबंधित प्रश्न
In order to study saponification reaction, we first prepare 20% solution of sodium hydroxide. If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be concluded that the process of making this solution is
(A) exothermic and the solution is alkaline
(B) endothermic and the solution is alkaline
(C) endothermic and the solution is acidic
(D) exothermic and the solution is acidic
Complete the following chemical equations: C2H5OH+O2→
When zinc powder is added to acetic acid ______________
(a) the mixture becomes warm
(b) a gas is evolved
(c) the colour of the mixture becomes yellow
(d) a solid settles at the bottom
Write the IUPAC names, common names and formulae of the first two members of the homologous series of carboxylic acids.
Give the common names and IUPAC names of the following compounds of CH3COOH.
Give the name and structural formula of one homologue of HCOOH.
The organic acid present in vinegar is ______.
What will you observe when dilute ethanoic acid and dilute hydrochloric acid are put on universal indicator paper, one by one? What does it show?
How would you distinguish between ethanol and ethanoic acid by chemical test?
The structural formula of an ester is :
Write the formula of the acid and the alcohol from which it is formed.
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
Explain the following term with an example.
Oxidant
How is ethyne prepared in the laboratory?
Draw the structural formula of a compound with two carbon atoms in the following case:
An alcohol containing two carbon atoms.
State how the following conversion can be carried out:
Ethyl chloride to Ethene.
The functional group present in acetic acid is ______.
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
Give the balanced chemical equation of the following reaction:
Evolution of carbon dioxide by the action of ethanoic acid with NaHCO3.
A student while observing the properties of acetic acid would report that this smells like ______.
Which of these is not an organic acid?
