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Question
Write the molecular formula of the given compound.
Ethanoic acid
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Solution
Ethanoic acid- CH3COOH or C2H4O2
RELATED QUESTIONS
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
Give the common name and IUPAC name of the following compound:
HCOOH
Describe a test for carboxylic acids.
What is an oxidising agent?
Name two oxidising agents which can oxidise ethanol to ethanoic acid.
Which of the following molecular formula corresponds to ethylbutanoate ester?
(a) C5H10O2
(b) C6H12O2
(c) C7H14O2
(d) C8H16O2
An organic compound A (molecular formula C2H4O2) reacts with Na metal to form a compound B and evolves a gas which burns with a pop sound. Compound A on treatment with an alcohol C in the presence of a little of concentrated sulphuric acid forms a sweet-smelling compound D (molecular formula C3H6O2). Compound D on treatment with NaOH solution gives back B and C. Identify A, B, C and
Write the IUPAC name of the following:
\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3 -C -CH3}\\
|\\
\ce{CH3}
\end{array}\]
What do you notice when acetic acid reacts with alkalies?
Name the compound formed when acetic acid and ethanol react together.
Name the reducing agent used to convert acetic acid into ethanol.
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
Explain the following term with an example.
Oxidant
How is ethyne prepared in the laboratory?
Write three physical properties of acetic acid.
What is the main constituent of vinegar?
What is the action of acetic acid with litmus paper?
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
State how the following conversions can be carried out:
Ethyl chloride to Ethyl alcohol
State how the following conversion can be carried out:
Ethyl chloride to Ethene.
The functional group present in acetic acid is ______.
Write a balanced chemical equation for the following:
Monochloroethane is hydrolysed with aqueous KOH.
Ester is a sweet-smelling compound.
Explain the following reaction with an example.
Saponification
What are catalysts?
Write the chemical equation for the following:
Saponification Reaction
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
A spatula full of sodium carbonate is taken in a test tube and 2 mL of dilute ethanoic acid is added to it.
Write a chemical equation for the reaction.
How is ethanol to ethanoic acid an oxidation reaction different from the reaction in which ethanol burns in the presence of oxygen?
Give the balanced chemical equation of the following reaction:
Neutralization of NaOH with ethanoic acid.
