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Questions
Write the chemical equation for the following:
Combustion of methane
Write the equation for the complete combustion of:
- methane
- ethane
Solution
- \[\ce{CH4 + 2O2 -> CO2 + 2H2O}\]
- \[\ce{2C2H6 + 7O2 -> 4CO2 + 6H2O}\]
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RELATED QUESTIONS
Write three different chemical reactions showing the conversion of ethanoic acid to sodium ethanoate. Write balanced chemical equation in each case. Write the name of the reactants and the products other ethanoic acid and sodium ethanoate in each case.
Complete the following chemical equations: CH3COOH+NaHCO3→
Give a reason for Conductivity of dilute hydrochloric acid is greater than that of acetic acid
Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.
How would you distinguish experimentally between an alcohol and carboxylic acid on the basis of a chemical property?
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?
Give any two uses of ethanoic acid.
Acetic acid is a typical acid. Write one equation in case of its reactions with a bicarbonate.
While studying saponification reactions, the following comments were noted down by the students :
(I) Soap is a salt of fatty acids.
(II) The reaction mixture is basic in nature.
(III) In this reaction heat is absorbed.
(IV) This reaction is not a neutralisation reaction.
Which of these are the correct comments ?
(A) I and III only
(B) I, II and III
(C) II, III and IV
(D) I and II only
A student takes 2 mL acetic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He makes the following observations:
I. A colourless and odourless gas evolves with a brisk effervescence.
II. The gas turns lime water milky when passed through it.
III. The gas burns with an explosion when a burning splinter is brought near it.
IV. The gas extinguishes the burning splinter that is brought near it.
The correct observations are:
(A) I, II, and III
(B) II, III and IV
(C) III, IV and I
(D) IV, I and II
Acetic acid solution turns:
(1) blue litmus red
(2) red litmus blue
(3) blue litmus colourless
(4) red litmus colourless
How will you carry out the following conversions?
Ethene to acetic acid
What type of compound is formed by the reaction between acetic acid and an alcohol?
Using appropriate catalysts, ethane can be oxidized to an alcohol. Name the alcohol formed when ethane is oxidized.
Write the molecular formula of the given compound.
Ethanoic acid
Explain the following reaction with an example.
Saponification
Which of the following represents saponification reaction?
Ethanoic acid reacts with the basic salt, sodium carbonate, to form a salt, named ______, water and carbon dioxide gas.
Write an equation showing saponification.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
