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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
A student puts a drop of reaction mixture of a saponification reaction first a blue litmus paper and then on a red litmus paper. He may observe that:
(a) There is no change in the blue litmus paper and the red litmus paper turns white.
(b) There is no change in the red litmus paper and the blue litmus paper turns red.
(c) There is no change in the blue litmus paper and the red litmus paper turns blue.
(d) No change in colour is observed in both the litmus papers
When you add about 2 ml of acetic acid to a test tube containing an equal amount of distilled water and leave the test tube to settle after shaking its contents, what will you observe in the test tube after about 5 minutes?
(A) A white precipitate settling at its bottom
(B) A clear colourless solution
(C) A layer of water over the layer of acetic acid
(D) A layer of acetic acid over the layer of water
Complete the following chemical equations: C2H5OH+O2→
Give balanced chemical equations for Sodium ethanoate to methane.
Give a reason:
Conductivity of dilute hydrochloric acid is greater than that of acetic acid
Consider the following organic compounds:
HCHO, C2H5OH, C2H6, CH3COOH, C2H5Cl
Choose two compounds which can react in the presence of conc. H2SO4 to form an ester. Give the name and formula of the ester formed.
Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:
Which compound is added to alcohol to denature it?
Ethanol can be oxidized to ethanoic acid. Write the equation and name the oxidizing agent.
Write the names of three compounds which can be oxidised directly or in stages to produce acetic acid.
What is glacial acetic acid?
What is vinegar?
What is the main constituent of vinegar?
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
Ester is formed by the reaction between ______.
Which of the following substance produces brisk effervescence with baking soda solution?
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.
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.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
