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प्रश्न
Draw the structural diagram of:
Ethanoic acid
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उत्तर
Ethanoic acid consists of two carbon atoms and carboxylic acid as a functional group. Its molecular formula is CH3COOH. Its structure is given as:
\[\begin{array}{cc}
\phantom{........}\ce{H}\phantom{....}\ce{O}\phantom{...}\\
\phantom{.....}|\phantom{....}||\\
\ce{H - C - C}\\
\phantom{.....}|\phantom{.....}|\\\
\phantom{......}\ce{H}\phantom{....}\ce{OH}
\end{array}\]
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संबंधित प्रश्न
For preparing soap in the laboratory we require an oil and a base. Which of the following combinations of an oil and a base would be best suited for the preparation of soap?
(a) Castor oil and calcium hydroxide
(b) Turpentine oil and sodium hydroxide
(c) Castor oil and sodium hydroxide
(d) Mustard oil and calcium hydroxide
Choose the correct alternative and rewrite the following:
Acetic acid ..................
Give the common names and IUPAC names of the following compounds of HCOOH.
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
On adding acetic acid to sodium hydrogen carbonate in a test tube, a student observes
(A) no reaction
(B) a colourless gas with pungent smell
(C) bubbles of a colourless and odourless gas
(D) a strong smell of vinegar
Choose the correct answer:
Select the acid which contains four hydrozen atoms in it.
State how the following conversion can be carried out:
Ethyl chloride to Ethene.
With a labelled diagram describe in brief an activity to show the formation of ester.
Write the characteristics of ethanoic acid.
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.
