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प्रश्न
Draw the structures for the following compounds of Propanoic acid.
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उत्तर
Structure of propanoic acid:
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संबंधित प्रश्न
While studying saponification reaction, a student measures the temperature of the reaction mixture and also finds its nature using blue/red litmus paper. On the basis of his observations the correct conclusion would be
(A) the reaction is exothermic and the reaction mixture is acidic.
(B) the reaction is endothermic and the reaction mixture is acidic.
(C) the reaction is endothermic and the reaction mixture is basic.
(D) the reaction is exothermic and the reaction mixture is basic.
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
A student adds a few drops of ethanoic acid to test tubes X, Y and Z containing aqueous solutions of sodium chloride, sodium hydroxide and sodium carbonate, respectively. If he now brings a burning splinter near the mouth of the test tubes immediately after adding ethanoic acid in each one of them, in which of the test tube or test tubes the flame will be extinguished?
(A) X and Y
(B) Y and Z
(C) X and Z
(D) only Z
How esters are prepared ?
What is the common name of ethanoic acid?
Give the common names and IUPAC names of the following compounds of CH3COOH.
How does ethanoic acid react with sodium hydrogen carbonate? Give equation of the reaction which takes place.
Give the structural formulae of acetic acid.
Name the substance used to change acetic acid to acetic anhydride?
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 is studying the properties of acetic acid. List two physical properties of acetic acid he observes. What happens when he adds a pinch of sodium hydrogen carbonate to this acid? Write any two observations.
Write three physical properties of acetic acid.
Fill in the blank with appropriate word/words.
Denatured alcohol is a mixture of _____ and _______
Write a balanced chemical equation for the following:
A mixture of sodalime and sodium acetate is heated.
State are relevant observations for following reactant:
Addition of ethyl alcohol to acetic acid in presence of conc. H2SO4
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
Rewrite the following statement by selecting the correct option.
The formula of ethanoic acid is _____________.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
CH3–CH2–CHO : propanal : : CH3–COOH : _______
A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.
Suggest a method of testing the gas liberated in the reaction.
