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प्रश्न
Explain the following term with an example.
Oxidant
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उत्तर
The substances which can give oxygen to other substance are called oxidants or oxidizing agents.
E.g. Potassium permanganate (KMnO4) and potassium dichraomate (K2Cr2O7) in acidic or alkaline medium are commonly used oxidants.
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संबंधित प्रश्न
For preparing soap in the laboratory we require an oil and a base. Which of the following combinations of an oil and a base would be best suited for the preparation of soap?
(a) Castor oil and calcium hydroxide
(b) Turpentine oil and sodium hydroxide
(c) Castor oil and sodium hydroxide
(d) Mustard oil and calcium hydroxide
What are esters ?
State any two uses of esters.
Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.
What do you notice when acetic acid reacts with metals?
What do you observe when acetic acid is added to sodium bicarbonate?
What do you observe when acetic acid is added to a neutral FeCl3 solution?
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
The functional group present in acetic acid is ______.
Give a balanced chemical equation for the following conversion:
Calcium carbide to ethyne.
Identify the term or substance based on the descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.
Draw the structural formula for the following:
Ethanoic acid
Ethanoic acid _________.
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
Write the molecular formula of the given compound.
Ethanoic acid
Mineral acids are stronger acids than carboxylic acids because
- mineral acids are completely ionised
- carboxylic acids are completely ionised
- mineral acids are partially ionised
- carboxylic acids are partially ionised
Reshu by mistake forgot to label the two test tubes containing Ethanol and Ethanoic acid. Suggest an experiment to identify the substances correctly? Illustrate the reactions with the help of chemical equations.
Write the chemical equation for the following:
Saponification Reaction
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
