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प्रश्न
Explain the following term with an example.
Oxidant
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
What are esters ?
Complete:
The next higher homologue of ethanoic acid is ______.
Name the substance used to change acetic acid to acetic anhydride?
Name the functional group present in the following compound:
HCOOH
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
Explain the following term with example.
Monomer
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.
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
State how the following conversions can be carried out:
Ethyl chloride to Ethyl alcohol
The functional group present in acetic acid is ______.
Identify the term or substance based on the descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.
A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.
- Identify X, Y, and Z
- Write the structural formula of X and Y.
- What type of compound P is?
- Name the above reaction.
- If compound X and Y both have 2 carbon atoms. Write the reaction.
Ethanoic acid _________.
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
What are catalysts?
Write the characteristics of ethanoic acid.
The reaction between acetic acid and sodium carbonate is shown in the following figure.
Answer the questions with the help of a diagram.
- Which gas does come out as effervescence in the big test tube?
- What is the colour change in the lime water present in the small test tube?
- Write the related reaction.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
