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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
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 :CH3COOH+NaOH→
Complete the following chemical equations:
C2H5OH+CH3COOH`("conc."H_2SO_4)/`>
A neutral organic compound is warmed with some ethanoic acid and a little of conc. H2SO4. Vapours having sweet smell (fruity smell) are evolved. What type of functional group is present in this organic compound?
What do you notice when acetic acid reacts with litmus?
Acetic acid is a typical acid. Write one equation in case of its reactions with a carbonate.
What do you observe when acetic acid is added to ethyl alcohol in the presence of sulphuric acid?
If you take a pinch of sodium hydrogen carbonate powder in a test-tube and add drop-by-drop acetic acid to it, what would you observe immediately? List any two main observations.
A student takes Na2CO3 powder in a test tube and pours some drops of acetic acid over it. He observes:
(A) no reaction in the test tube
(B) colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) white fumes with smell of vinegar
On adding 2 mL acetic acid to 2 mL of water in a test tube, it was observed that
(A) a clear and transparent solution is formed
(B) a white precipitate is formed almost immediately
(C) two separate layers were formed
(D) a colourless and odourless gas is evolved
On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes
(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar
How is ethyne prepared in the laboratory?
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
Convert ethane to acetic acid.
Explain the following reaction with an example.
Esterification
Give a chemical reaction in which a catalyst is used.
Give the balanced chemical equation of the following reaction:
Evolution of carbon dioxide by the action of ethanoic acid with NaHCO3.
Write the chemical equation for the following:
Saponification Reaction
