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प्रश्न
Choose the correct alternative and rewrite the following:
Some acetic acid is treated with solid NaHCO3, the resulting solution will be _________________.
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संबंधित प्रश्न
What do you observe when you drop a few drops of acetic acid to test tubes containing
(a) phenolphthalein
(b) distilled water
(c) universal indicator
(d) sodium hydrogen carbonate powder
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
How esters are prepared ?
Choose the correct alternative and rewrite the following:
Acetic acid ..................
Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.
What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?
What is an oxidising agent?
How is ethanoic acid obtained from ethanol? Write down the chemical equation of the reaction involved.
If you are asked to report your observations about the following two properties of acetic acid, what would you report?
(i) Odour
(ii) Effect on litmus
What is the main constituent of vinegar?
Name the first four members of alphatic carboxylic acid.
Fill in the blank with appropriate word/words.
Vinegar is a solution of about ________per cent ________in water.
Write balanced euation for the following :
Ethane is burnt in air.
Write a balanced equation for the following:
Write the equation for the preparation of ethylene from ethyl alcohol.
Give balanced chemical equations for the following conversion :
Ethanoic acid to ethyl ethanote
When sodium hydrogen carbonate is added to ethanoic acid, a gas evolves. Consider the following statements about the gas evolved.
- It turns lime water milky.
- It is evolved with brisk effervescence.
- It has a smell of burning sulfur.
- It is also a by-product of respiration.
Observe the figure and write the answers to the following questions.
- Write the name of the reaction shown in the following figure.
- Write the above chemical reaction in the form of a balanced equation.
- Write the name of the product produced in the above reaction, write a use.
- Write the name of the catalyst used in the above reaction.
Bubbles are seen in the test tube during the preparation of lime water.
What happens when a small piece of sodium is dropped in ethanol? Write the equation for this reaction.
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.
