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प्रश्न
Write the chemical equation for the following:
Combustion of methane
Write the equation for the complete combustion of:
- methane
- ethane
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उत्तर
- \[\ce{CH4 + 2O2 -> CO2 + 2H2O}\]
- \[\ce{2C2H6 + 7O2 -> 4CO2 + 6H2O}\]
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संबंधित प्रश्न
A student adds a spoon full of powdered sodium hydrogen carbonate to a flask containing ethanoic acid. List two main observations, he must note in his note book, about the reaction that takes place. Also write chemical equation foe the reaction.
When ethanol reacts with ethanoic acid in the presence of conc. H2SO4, a substance with fruity smell is produced. Answer the following:-
(i) State the class of compounds to which the fruity smelling compounds belong. Write the chemical equation for the reaction and write the chemical name of the product formed.
(ii) State the role of conc. H2SO4 in the reaction.
Consider the following comments about saponification reactions:
I. Heat is evolved in these reactions.
II. For quick precipitation of soap, sodium chloride is added to the reaction mixtures.
III. Saponification reactions are a special kind of neutralisation reactions.
IV. Soaps are basic salts of long-chain fatty acids.
The correct comments are
(a) I, II and III
(b) II, III and IV
(c) I, II and IV
(d) Only I and IV
Complete the following chemical equations: CH3COOH+NaHCO3→
Name the following:
The distinctive reaction that takes place when ethanol is treated with acetic acid.
Give the common names and IUPAC names of the following compounds of HCOOH.
Fill in the following blank with suitable word:
The next higher homologue of ethanol is ...............
What will you observe when dilute ethanoic acid and dilute hydrochloric acid are put on universal indicator paper, one by one? What does it show?
An organic compound X of molecular formula C2H4O2 gives brisk effervescence with sodium hydrogen carbonate. Give the name and formula of X.
The next higher homologue of ethanoic acid is ______.
What do you observe when acetic acid is added to sodium bicarbonate?
A student puts a drop of acetic acid first on a blue litmus paper and then on a red litmus paper. He would observe that
(A) the red litmus paper turns colourless and there is no change in the blue litmus paper.
(B) the red litmus paper turns blue and the blue litmus paper turns red.
(C) there is no change in the red litmus paper and the blue litmus paper turns red.
(D) there is no change in the blue litmus paper and the red litmus paper turns blue.
In an experiment to study the properties of acetic acid a student takes about 2 mL of acetic acid in a dry test tube. He adds about 2 mL of water to it and shakes the test tube well. He is likely to observe that:
(A) the acetic acid dissolves readily in water
(B) the solution becomes light orange
(C) water floats over the surface of acetic acid
(D) acetic acid floats over the surface of water
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 an example.
Oxidant
What is the action of acetic acid with litmus paper?
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Ester is formed by the reaction between ______.
When ethanoic acid is treated with NaHCO^ the gas evolved is ______.
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
