Advertisements
Advertisements
Question
Write an equation showing saponification.
Advertisements
Solution
On treating with sodium hydroxide, which is an alkali, the ester is converted back to alcohol and sodium salt of carboxylic acid. This reaction is known as saponification because it is used in the preparation of soap. Soaps are sodium or potassium salts of long chain carboxylic acid.
\[\ce{CH3COOC2H5->[NaoH]C2H5OH + CH3COONa}\]
APPEARS IN
RELATED QUESTIONS
What is the common name of ethanoic acid?
How would you distinguish between ethanol and ethanoic acid by chemical test?
When ethanoic acid reacts with sodium hydrogen carbonate, then a salt X is formed and a gas Y is evolved. Name the salt X and gas. Y Describe an activity with the help of a labelled diagram of the apparatus used to prove that the evolved gas is the one which you have named. Also write the chemical equation of the reaction involved.
Which one of the following are the correct observations about acetic acid?
(A) It turns blue litmus red and smells like vinegar
(B) It turns blue litmus red and smells like burning sulphur
(C) It turns res litmus blue and smells like vinegar
(D) It turns red litmus blue and has a fruity smell
Acetic acid solution turns:
(1) blue litmus red
(2) red litmus blue
(3) blue litmus colourless
(4) red litmus colourless
What is vinegar and glacial acetic acid?
Why is pure acetic acid also known as glacial acetic acid?
A compound X when treated with an organic acid Y (having vinegar-like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.
- Identify X, Y and Z
- Write the structural formula of X and Y.
- What type of compound is P?
- Name the above reaction.
- If compounds X and Y both have 2 carbon atoms. Write the reaction.
Distinguish between esterification and saponification reactions with the help of chemical equations for each.
Vinegar is a solution of ______.
