Advertisements
Advertisements
Question
Draw the structural diagram of:
Ethanoic acid
Advertisements
Solution
Ethanoic acid consists of two carbon atoms and carboxylic acid as a functional group. Its molecular formula is CH3COOH. Its structure is given as:
\[\begin{array}{cc}
\phantom{........}\ce{H}\phantom{....}\ce{O}\phantom{...}\\
\phantom{.....}|\phantom{....}||\\
\ce{H - C - C}\\
\phantom{.....}|\phantom{.....}|\\\
\phantom{......}\ce{H}\phantom{....}\ce{OH}
\end{array}\]
APPEARS IN
RELATED QUESTIONS
A student adds 2 mL of acetic acid to a test tube containing 2 mL of distilled water. He then shakes the test tube well and leaves it to settle for some time. After about 5 minutes he observes that in the test tube there is :
(A) a clear transparent colourless solution
(B) a clear transparent pink solution
(C) a precipitate settling at the bottom of the test tube
(D) a layer of water the layer of acetic acid
In order to study saponification reaction, we first prepare 20% solution of sodium hydroxide. If we record the temperature of this solution just after adding sodium hydroxide flakes to water and also test its nature using litmus, it may be concluded that the process of making this solution is
(A) exothermic and the solution is alkaline
(B) endothermic and the solution is alkaline
(C) endothermic and the solution is acidic
(D) exothermic and the solution is acidic
Esters are sweet-smelling substances and are used in making perfumes. Describe an activity for the preparation of an ester with the help of a well labelled diagram. Write an equation for the chemical reaction involved in the formation of the ester. Also write the names of all the substances involved in the process of esterification.
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 alcohol?
How is ethyne prepared in the laboratory?
How will you carry out the following conversions?
Ethene to acetic acid
State how the following conversions can be carried out:
Ethyl alcohol to Ethane
Ketone : –CO– : : Ester : _______
In the presence of the acid catalyst, ethanoic acid reacts with ethanol and ______ ester is produced.
