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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
How esters are prepared ?
List two uses of esters.
Complete the following chemical equation:
\[\ce{CH3COOC2H5 + NaOH ->}\]
Complete the following chemical equations:
C2H5OH+CH3COOH`("conc."H_2SO_4)/`>
Complete the following chemical equations: CH3COOH+NaHCO3→
State any two uses of esters.
What do you notice when acetic acid reacts with alkalies?
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 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
State how the following conversions can be carried out:
Ethene to Ethyl alcohol.
Identify the term or substance based on the descriptions given below:
Hydrocarbon containing a triple bond used for welding purposes
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
What are catalysts?
Give a chemical reaction in which a catalyst is used.
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.
Write the chemical equation for the following:
Esterification Reaction
Write the chemical equation for the ethanol to ethanoic acid of an oxidation reaction.
Observe the diagram given below and answer the questions:
- Name the reactants in this reaction.
- Which gas comes out as effervescence in the bigger test tube?
- What is the colour change in the lime water?
- In the above experiment instead of sodium carbonate which chemical can be used to get same products?
- Write the use of acetic acid.
